IP Cameras › Uho-S2E-M3-A
UniarchIndoor Pan & Tilt Wi-Fi
3MP Indoor Pan & Tilt Wi-Fi
Uho-S2E-M3-A
3MP indoor Wi-Fi camera with a real motorized pan-tilt head — 338° pan, -5° to 55° tilt, Auto Tracking and two-way audio. No network cable, just power and connect over 2.4GHz Wi-Fi.
3 MP · 2304×1296@25fpsWi-Fi · 2.4GHz built-in antennaEthernet · 1×RJ45 wired fallbackAuto Tracking · follows moving subjects2-Way Audio · mic + speakerHuman/Vehicle/Pet · + crying detectionMicroSD · up to 512GB
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The Uniarch Uho-S2E-M3-A is a 3MP indoor Wi-Fi camera with a real motorized pan-tilt head, not just a fixed mount angle. It pans 338° and tilts from -5° to 55°, with Auto Tracking that follows moving subjects and 20 presets for jumping straight to a spot you check often. Built-in mic and speaker support two-way audio, and it detects humans, vehicles, pets and even crying, all over Wi-Fi with no network cable required.
Is this the right camera for you?
Plain-language guide for buyers and installers — based only on what this camera actually does.
Baby & pet monitoring, hands-freeAuto Tracking follows your baby or pet around the room on its own, and Crying detection alerts you the moment your baby cries.
Whole-room coverage from one cornerMotorized 338° pan and -5° to 55° tilt reach corners a fixed camera can't, and 20 presets jump straight to the doorway, crib or desk.
Check in and talk backBuilt-in mic and speaker support two-way audio — talk to family, pets or visitors remotely through the phone app.
Small offices & countersHuman and vehicle detection cuts down false alerts versus plain motion detection, and the built-in RJ45 port lets you plug in a wired connection instead of Wi-Fi wherever that's more reliable.
Local recording you controlMicroSD edge storage up to 512GB keeps footage on the camera itself — no monthly cloud subscription required to have a recording.
5-minute DIY setupNo electrician needed — plug in the Micro-USB power, join your Wi-Fi from the app, and start watching in minutes.
Not the right pick if you need…
- Outdoor or weatherproof installation — this is an indoor-only camera with no IP-rated enclosure
- PoE power — there's no PoE port, it runs on its own DC5V/1.5A Micro-USB adapter
- Long-distance night vision — IR reaches 10m (33ft), built for room-scale distances, not yards
- On-screen privacy masking from the phone app — Privacy Mask only works when the camera is connected to an NVR
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Key Features
Complete list from the official datasheet.
High quality image with 3MP, 1/3" CMOS sensor
3MP (2304×1296)@25/20fps; 2MP (1920×1080)@30/25fps; 720P (1280×720)@30/25fps
Ultra 265, H.265, H.264
Built-in Mic & Speaker, support two-way audio, offer better interaction
IR night vision, up to 10m (33ft) IR distance
Support 512 G Micro SD card
Wi-Fi connection and easy installation
Night vision: infrared only
Switchable Auto/Manual IR — set it per room.
IR MODE
Invisible infrared — discreet black & white night vision
IR night vision up to 10 m (32.8 ft.) at 850 nm, with Auto/Manual IR On/Off control. This model has a single IR illuminator only, no warm-light module.
How wide a view at each distance
Scene width covered at typical mounting distances — the number you need to work out how many cameras a wall, yard or aisle takes.
| Distance | 67.3° |
|---|---|
| 5 m16 ft | 6.7 m21.8 ft |
| 10 m33 ft | 13.3 m43.7 ft |
| 15 m49 ft | 20.0 m65.5 ft |
| 20 m66 ft | 26.6 m87.4 ft |
| 30 m98 ft | 39.9 m131 ft |
Calculated from the horizontal field of view in the specifications below: width = 2 × distance × tan(FOV ÷ 2). Lens distortion and mounting angle are not included.
Who uses it, where to place it and how to connect it
Written for the Uho-S2E-M3-A from its official datasheet: 3 MP indoor pan-tilt camera with both 2.4 GHz Wi-Fi and one RJ45 10/100 Ethernet port, fixed 4.0 mm lens (67.3°), 338° pan / -5° to 55° tilt with auto tracking, 10 m IR, crying and high-decibel detection, 5 V Micro-USB power.
Who it is for
- Homes with thick walls or weak Wi-Fi rooms — Concrete or block houses where 2.4 GHz does not reach the back bedroom: the RJ45 port lets a cable carry the video while setup still works from the app.
- Offices, receptions and clinics — Where a data socket or switch is already in the room, wiring several cameras keeps them off the shared 2.4 GHz Wi-Fi and makes the link immune to Wi-Fi drop-outs.
- Parents and carers — Crying and high-decibel detection, auto tracking and two-way audio cover a nursery or an elderly relative's room, with the cable keeping the feed steady overnight.
- Installers adding indoor views to an NVR — A wired camera on the same LAN as the recorder; the datasheet lists ANR, NVR-only privacy masking, RTSP, API and SDK integration.
Where and how to place it
- Plan both cables — A wired camera needs two cables: the Micro-USB power lead (DC 5 V / 1.5 A, max. 7.5 W) and the network patch cable. Place it within reach of a power socket and a wall data point, router LAN port or switch.
- Cable length and type — The port is 10/100 Mbps, so ordinary Cat5e or Cat6 is plenty; keep the run within 100 m and use a proper RJ45 patch lead at the camera so the head can turn without pulling the plug.
- High up, or ceiling with image flip — Tilt is -5° to 55°, so on a desk it cannot look down. Use a high shelf, or ceiling-mount it upside down with the 180° flip so the 55° side looks at the floor; point the 22° pan gap (0–338°) at the wall.
- Light and temperature — BLC is supported, which helps when a bright window is behind a person, but do not aim the IR at glass. It is indoor only, -10 °C to 50 °C, with no IP rating: avoid bathrooms, stoves and direct sun.
What the 4.0 mm lens sees, and how it connects
Optically it is the same as the Wi-Fi-only Uho-S2-M3-A: a 67.3° lens covering about 4.0 m at 3 m and 6.7 m at 5 m, swung through 338°. The difference is the network row: it adds a wired 10/100 port next to 2.4 GHz Wi-Fi.
| Uho-S2E-M3-A · 4.0 mm | |
|---|---|
| Horizontal view angle | 67.3° |
| Width covered at 3 m | 4.0 m |
| Width covered at 5 m | 6.7 m |
| Pixels per meter at 5 m | ≈ 346 px/m |
| IR night vision | 10 m · 850 nm |
| Pan / tilt range | 0°–338° / -5° to 55° |
| Presets | 20 |
| Network | 2.4 GHz Wi-Fi + RJ45 10/100 |
| Main stream bit rate | 128–2048 Kbps |
- Use the cable where a phone shows a weak 2.4 GHz signal at the spot, or where several cameras would share one access point.
- At 5 m there are still about 346 pixels per meter, enough to recognize a known person anywhere in a normal room.
Widths are calculated from the 67.3° horizontal view angle (width = 2 × distance × tan(angle ÷ 2)); pixels per meter = 2304 horizontal pixels ÷ width. The datasheet gives no DORI distances. Other figures are from the official datasheet.
Full Specifications
Complete official specifications from the manufacturer's datasheet (technical values in English).
Camera
| Max Resolution | 3 MP |
| Sensor | 1/3.0" CMOS |
| Min. Illumination | Colour: 0.02 lux (F2.0, AGC ON), 0 lux with IR on |
| Day/Night | IR-cut filter with auto switch (ICR) |
| Shutter | Auto/Manual, 1/4 to 1/100000 s |
| S/N | > 52 dB |
| WDR | DWDR |
Lens
| Focal Length | 4.0 mm |
| Iris | F2.0 |
| Field of View (H) | 67.3° |
| Field of View (V) | 37.2° |
| Field of View (D) | 77.8° |
| Lens Type | Fixed |
| Iris Type | Fixed |
Illuminator
| Supplemental Light | IR |
| Illumination Distance (IR) | 10 m (32.8 ft.) |
| Wavelength | 850 nm |
| IR On/Off Control | Auto/Manual |
Video
| Video Compression | Ultra 265, H.265, H.264 |
| Frame Rate | Main Stream: 3MP (2304×1296), max. 25 fps; 2MP (1920×1080), max. 30 fps; 720P (1280×720), max. 30 fps · Sub Stream: 640×360, max. 30 fps; 2CIF (704×288), max. 30 fps; CIF (352×288), max. 30 fps |
| Video Bit Rate | 128 Kbps to 2048 Kbps |
| U-code | Support |
| OSD | Up to 2 OSDs |
| Privacy Mask | Support (only NVR) |
| ROI | Support |
| Video Stream | Dual streams |
Image
| White Balance | Auto, Outdoor, Fine tune, Sodium lamp, Locked, Auto2 |
| Digital Noise Reduction | 2D/3D DNR |
| Smart IR | Support |
| Flip | Normal, Flip vertical, Flip horizontal, 180° |
| Dewarping | N/A |
| HLC | N/A |
| BLC | Support |
| Defog | Digital defog |
Events
| Basic Detection | Motion detection, Ultra motion detection (human/vehicle/pet), Crying detection, High-Decibel detection |
| General Function | IP address filtering, Access policy, ARP protection, RTSP authentication, User authentication, HTTP authentication |
Intelligent
| Auto Tracking | Support |
Audio
| Audio Compression | G.711U, G.711A |
| Audio Bitrate | 64 Kbps |
| Two-way Audio | Support |
| Suppression | Support |
| Sampling Rate | 8 kHz |
Storage
| Edge Storage | MicroSD, up to 512 GB |
| Network Storage | ANR |
Network
| Wi-Fi | 2.4G Wi-Fi (IEEE802.11b/g/n), built-in antenna |
| Protocols | IPv4, TCP, UDP, DHCP, RTSP, DNS, DDNS, NTP, HTTP |
| Compatible Integration | API, SDK |
| Client | APP, Uniarch client |
| Web Browser | Plug-in required live view: IE 10+, Chrome 45+, Firefox 52+, Edge 79+ |
Wi-Fi
| Wireless Standards | IEEE802.11b/g/n |
| Frequency Range | 2.4 GHz to 2.4835 GHz |
| Channel Bandwidth | 20 MHz Support |
| Modulation Mode | 802.11b: CCK, QPSK, BPSK; 802.11g/n: OFDM/HT |
| Wi-Fi Security | 64/128-bit WEP, WPA-PSK/WPA2-PSK |
| Transmit Power | 802.11b: 17±1.5 dBm@11 Mbps; 802.11g: 14±1.5 dBm@54 Mbps; 802.11n: 12.5±1.5 dBm@150 Mbps |
| Receive Sensitivity | 802.11b: -90 dBm@11 Mbps (Typical); 802.11g: -75 dBm@54 Mbps (Typical); 802.11n: -74 dBm@150 Mbps (Typical) |
| Transmission Rate | 802.11b: 11 Mbps; 802.11g: 54 Mbps; 802.11n: up to 150 Mbps |
PTZ
| Pan Range | 0° ~ 338° |
| Pan Speed | 17°/s ~ 50°/s, Preset speed: 50°/s |
| Tilt Range | -5° ~ 55° |
| Tilt Speed | 17°/s ~ 50°/s, Preset speed: 50°/s |
| Number of Presets | 20 |
Interface
| Audio I/O | N/A |
| Alarm I/O | N/A |
| Built-in Mic | Support |
| Built-in Speaker | Support |
| WIFI | Support |
| Network | 1 × RJ45 10 M/100 M Base-TX Ethernet |
Certification
| EMC | CE-EMC (EN 55032, EN 61000-3-3, EN IEC 61000-3-2, EN 55035); FCC (FCC 47 CFR part15 B) |
| RF | FCC ID (FCC CFR 47 part15 C); CE RED (EN 301 489-1, EN 301 489-17, EN 300 328, EN 62311) |
| Safety | CE LVD (EN 62368-1) |
| Environment | CE-RoHS (2011/65/EU; (EU) 2015/863); WEEE (2012/19/EU) |
General
| Power Consumption | Max. 7.5 W |
| Power | DC 5 V/1.5 A, Micro USB interface |
| LED Indicator | 1, red/blue |
| Dimensions | Φ80 mm × 120 mm (Ø3.1" × 4.8") |
| Weight | 0.18 kg (0.40 lb.) |
| Working Environment | -10 °C to 50 °C (14 °F to 122 °F), Humidity: ≤ 95% RH (non-condensing) |
| Storage Environment | -10 °C to 50 °C (14 °F to 122 °F), Humidity: ≤ 95% RH (non-condensing) |
| Reset Button | Support |
Dimensions
Engineering drawing reproduced 1:1 from the official datasheet.
unit: mm (in.)
| Dimensions | Φ80 × 120 mm (Ø3.1" × 4.8") |
| Weight | 0.18 kg (0.40 lb.) |
| Pan range | 0° – 338° |
| Tilt range | -5° – 55° |
3MP Wi-Fi Camera with RJ45 FAQ — Uho-S2E-M3-A
Can I use the Uho-S2E-M3-A with a network cable instead of Wi-Fi?
Yes — that is the point of the E version. It normally connects over 2.4G Wi-Fi (IEEE 802.11 b/g/n, built-in antenna), but a wired RJ45 Ethernet fallback port lets you plug it straight into a router or switch where Wi-Fi is congested or unreliable.
What can it detect besides simple motion?
Ultra motion detection classifies human, vehicle and pet targets to cut false alarms, while crying detection and high-decibel detection listen for a baby or unusual loud sounds. Auto tracking then keeps the moving subject in frame across the 338° pan range.
How is the night vision indoors?
Smart IR at 850 nm covers up to 10 m (32.8 ft) with auto or manual control — right for room-scale distances. Color video works down to 0.02 lux (F2.0, AGC on) and 0 lux with IR, while BLC and digital defog handle windows and haze.
How many days of recording fit on the MicroSD card?
The slot accepts cards up to 512 GB. At the top 2048 Kbps bit rate that is about three weeks of continuous 3MP recording; U-code smart encoding or a lower bit rate extends it well beyond. ANR back-fills a recorder after any network interruption.
What are the pan, tilt and lens coverage figures?
The motorized mount pans 338° and tilts from -5° to 55°; the fixed 4.0 mm F2.0 lens gives 67.3° horizontal and 77.8° diagonal views. Main stream is 3MP (2304×1296) at up to 25 fps, with two-way audio for talking to whoever is in the room.
How long can the network cable to the Uho-S2E-M3-A be, and is it safe to plug into a PoE switch port?
Like any 10/100 Ethernet port, up to 100 m of Cat5e or Cat6 per run; beyond that, add a switch in between. The port does not take PoE, so the camera still needs its 5 V Micro-USB adapter. A standard IEEE 802.3af/at PoE switch only sends power after detecting a PoE device, so a normal port is fine, but never use a passive PoE injector or a "always-on" 24 V/48 V port on this camera.
Can the wired Uho-S2E-M3-A record to an NVR, and what does that add?
The datasheet lists RTSP, API and SDK integration and ANR network storage, so recording to a Uniarch/Uniview NVR on the same LAN is the intended route; ONVIF is not listed, so confirm with us before pairing it with another brand of recorder. With an NVR you gain privacy masking (listed as NVR only), longer retention on hard disks, and ANR, which refills the NVR from the camera's microSD after a network break. The cable makes this link more dependable than Wi-Fi for 24-hour recording.
I need several Uho-S2E-M3-A cameras in one office: is it better to wire them all?
Usually yes, if data points or a switch are close. Each camera's main stream runs up to 2048 Kbps, so four cameras can push about 8 Mbps continuously into a 2.4 GHz network that laptops and phones also share on a 20 MHz channel. On cable the same 8 Mbps is a small load for 10/100 ports and does not slow the office Wi-Fi. Mixed is fine too: wire the cameras near the switch and leave far corners on Wi-Fi.
Is the Uho-S2E-M3-A harder to knock offline or hack when it is wired?
Harder to knock offline, yes: a cable is not affected by Wi-Fi interference or jamming, which matter for a camera on 2.4 GHz with WPA-PSK/WPA2-PSK security. Against hacking, the cable alone is not the protection; the account is. Change the admin password at setup, share access from the owner's app account, and use the listed protections: user, HTTP and RTSP authentication, IP address filtering, access policy and ARP protection. Once it is on cable, you can also switch the camera's Wi-Fi off if the app offers it, so it no longer broadcasts.
Can a USB power bank keep the Uho-S2E-M3-A running in a power cut?
Yes, it takes DC 5 V / 1.5 A on Micro-USB and draws max. 7.5 W, so a bank that supplies 1.5 A works. A 10000 mAh bank (about 30 Wh usable after conversion losses) gives roughly 4 hours at the maximum draw. When wired, remember the switch or router at the other end of the cable also needs power; put it on a small UPS, otherwise the camera keeps recording to its microSD card but cannot be viewed or send alerts.
Can the Uho-S2E-M3-A watch the street through a window at night?
Only poorly: the 850 nm IR reflects off the glass and fills the image with glare or a reflection of the room. Turn IR to manual off (Auto/Manual control is listed), keep the room dark and rely on street lighting, and put the lens close to the glass. In daylight it works, but as an indoor camera rated -10 °C to 50 °C it should not sit in a window that bakes in the sun.
Do I need a cloud subscription to record?
No. Recording to the on-board microSD card works without any subscription. If you want to record to your own NVR or server, check the protocols listed in the specification table (RTSP / ONVIF) or send us the name of your recording software and we will confirm compatibility before you order.
Can the Uho-S2E-M3-A be installed outdoors or on a porch?
No, it is an indoor camera. Its specification lists no IP weatherproof rating, and its working environment is -10 °C to 50 °C at up to 95% RH non-condensing. Use it inside homes, shops and offices; for outdoor spots choose a model with an IP66 or IP67 rating.
What USB power adapter does the Uho-S2E-M3-A need?
A 5 V adapter rated at least 1.5 A with a Micro USB cable, as stated in the spec (DC 5 V/1.5 A). Maximum consumption is 7.5 W, and 5 V × 1.5 A = 7.5 W, so the adapter is fully used at peak. A common 5 V 1 A phone charger supplies only 5 W, which is below the camera's maximum, so it may cause restarts when the motor and IR run together.
Should I choose the Uho-S2E-M3-A or the Uho-S3E-M3TD-A?
Both are 3MP indoor pan-tilt Wi-Fi cameras with a 4.0 mm lens, auto tracking, two-way audio and an RJ45 port. The Uho-S2E-M3-A uses IR night vision only, 2.4 GHz 802.11b/g/n Wi-Fi, Micro USB power, 338° pan and -5° to 55° tilt. The Uho-S3E-M3TD-A adds dual light (IR + warm light) for color night images, Wi-Fi 6 (802.11ax), USB-C power and a wider 355° pan with -15° to 90° tilt, so pick it if you want color at night or to look further up and down.
Which Wi-Fi network and software does the Uho-S2E-M3-A support?
It joins 2.4 GHz Wi-Fi only (IEEE 802.11b/g/n, 20 MHz channel, up to 150 Mbps) with WEP or WPA-PSK/WPA2-PSK; 5 GHz is not supported. It is set up and viewed in the APP or the Uniarch client, and browser live view needs a plug-in (IE 10+, Chrome 45+, Firefox 52+, Edge 79+). For integration it lists RTSP with authentication, API and SDK, and you can save up to 20 pan-tilt presets.
Ordering questions — samples, shipping, payment, lead time and genuine stock — are answered once on our FAQ page.
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