IP Cameras › Uho-S3E-M3-A
UniarchWi-Fi Pan & Tilt
3MP Indoor Pan & Tilt Wi-Fi
Uho-S3E-M3-A
3MP indoor Wi-Fi pan & tilt camera — motorized 355° pan and full tilt sweep, auto tracking follows what moves, built-in mic + speaker for two-way talk. Powers from any USB-C 5V outlet, no NVR required.
3 MP · 2304×1296@25fpsWi-Fi · 2.4GHz built-in antennaPTZ · 355° pan / -15°~90° tiltAuto Tracking · follows moving subjectsTwo-way Audio · mic + speakerUSB-C · DC5V/1.5A power
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The Uniarch Uho-S3E-M3-A is a 3MP indoor Wi-Fi camera on a motorized pan-tilt base, panning 355° and tilting from -15° to 90° across 20 saved presets. It follows moving subjects with auto tracking, talks back through a built-in mic and speaker, and sees up to 10m in the dark with IR night vision. It runs off any USB-C 5V/1.5A power source and connects over 2.4GHz Wi-Fi, with MicroSD storage up to 512GB for local recording.
Is this the right camera for you?
Plain-language guide for buyers and installers — based only on what this camera actually does.
One camera, whole-room coverage355° motorized pan and a wide tilt range mean one ceiling or shelf-mounted unit can cover most of a living room, office or shop floor — no blind corner left to a fixed lens.
Nursery & elderly check-insAuto tracking follows a moving baby or family member around the room, and the built-in mic + speaker let you talk to them directly from the app — no separate baby monitor needed.
Pet check-ins while you're outPet detection is a separate category from human/vehicle detection, so alerts on cat or dog movement don't get lost among general motion notifications.
Apartments & rentals without cablingNo PoE switch or NVR cable run needed — plug the included USB-C cable into any 5V outlet and join the Wi-Fi. Take it with you when you move out.
Checking in from your phonePair it with the Uniarch APP for live view, push alerts, remote pan/tilt control and playback from anywhere.
Local backup you controlMicroSD edge storage up to 512GB keeps footage on the camera itself — no monthly cloud subscription required to have a recording.
Not the right pick if you need…
- Outdoor / weatherproof use — this is an indoor-only body, no IP dust/water rating at all
- PoE power — this camera has no PoE port, it needs a USB-C 5V/1.5A power source nearby
- Color night vision — this model has an IR-only illuminator, night video is black & white
- A fixed non-moving mount — the whole point of this model is the motorized pan-tilt base; if you just need a static wide-angle view, a fixed-lens camera may be simpler
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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 site.
IR MODE
Invisible infrared — discreet black & white night vision
IR night vision up to 10 m (32.8 ft.) at 850 nm. Good for typical room distances indoors. 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 it goes and how to set it up
Written for the Uho-S3E-M3-A from its official datasheet: 3 MP, fixed 4.0 mm lens (67.3°), 355° pan and -15° to 90° tilt, 10 m IR, 2.4 GHz Wi-Fi or 10/100 Ethernet, USB-C 5 V power.
Who it is for
- Families watching a larger room — The 4.0 mm lens is the narrower of the two S3E 3 MP versions, so faces stay sharper across a living room: about 346 pixels per meter at 5 m, and the 355° pan turns it toward any corner.
- Parents of babies and toddlers — Crying detection and high-decibel detection send an alert when the child cries, and two-way audio lets a parent answer from the app.
- Small shops and offices — Aim it at a counter or cash desk from 3–5 m; the 1 × RJ45 10/100 port allows a wired connection where staff Wi-Fi is busy, and 20 presets jump between the door, counter and stock area.
- Pet owners — Ultra motion detection separates pets from people, and auto tracking keeps a moving cat or dog in frame while you watch from outside.
Where and how to install
- Shelf or ceiling — Stand it on a shelf or cabinet about 1.5–2 m high facing into the room. If you mount it upside down on a ceiling, set Flip to 180° in the image settings. Check in the app that the area just in front of the furniture is still in view within the -15° to 90° tilt range.
- Keep it within reach of the router — It uses 2.4 GHz Wi-Fi only (802.11b/g/n, 20 MHz). Best results come with the router in the same room or one wall away; concrete walls, metal cabinets and microwave ovens weaken the signal. Where the signal is poor, use the RJ45 port instead.
- Power and cable — Power is DC 5 V / 1.5 A through USB-C, maximum 5.6 W. Use an adapter rated at least 5 V 1.5 A; weak phone chargers can cause reboots when the motor turns. In a nursery, keep the cable at least 1 m away from the cot.
- Not facing a window at night — The 850 nm IR reflects off glass and turns the picture white. Place it so windows are at the side of the view, or switch IR to Manual off for presets that look through glass.
- Indoor conditions only — Working range is -10 °C to 50 °C and up to 95% humidity, non-condensing. Do not place it in a bathroom, above a stove or on a covered porch where rain and condensation reach it.
Uho-S3E-M3-A, 4.0 mm: what you actually see
This model has one fixed 4.0 mm lens with a 67.3° horizontal view. Its 2.8 mm sibling, the Uho-S3E-M3F3-A, sees 87.8° wide; the 4.0 mm trades that width for more detail, which the motorized pan makes up for. At 5 m it puts about 346 pixels on each meter of the scene, enough to identify a face across a typical room.
| Uho-S3E-M3-A · 4.0 mm | |
|---|---|
| Horizontal view angle | 67.3° |
| Vertical view angle | 37.2° |
| Width covered at 3 m | 4.0 m |
| Width covered at 5 m | 6.7 m |
| Width covered at 10 m | 13.3 m |
| Pixels per meter at 5 m | ≈ 346 px/m |
| Pixels per meter at 10 m | ≈ 173 px/m |
| IR night vision distance | 10 m |
| Pan range | 0° ~ 355° |
| Tilt range | -15° ~ 90° |
| Preset positions | 20 |
- Pick the Uho-S3E-M3-A (4.0 mm) when the subject is 4–6 m away, such as across a living room, shop floor or office: faces stay at identification level up to about 5 m.
- Pick the 2.8 mm Uho-S3E-M3F3-A for small rooms of 3 m or less, such as a nursery or bedroom, where seeing the whole room without panning matters more.
Widths are calculated from the horizontal view angle in the official datasheet (width = 2 × distance × tan(angle ÷ 2)); pixels per meter = horizontal pixels ÷ width. As a common rule of thumb, about 250 pixels per meter is enough to identify a face and about 125 to recognize a known person.
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 Type | Fixed |
| Iris | F2.0 |
| Field of View (H) | 67.3° |
| Field of View (V) | 37.2° |
| Field of View (D) | 77.8° |
| Lens Type | Fixed |
Illuminator
| Illumination Distance (IR) | 10 m (32.8 ft.) |
| Wavelength | 850 nm |
| IR On/Off Control | Auto/Manual |
| Supplemental Light | IR |
Video
| Video Compression | Ultra 265, H.265, H.264 |
| Frame Rate | Main Stream: 3MP (2304×1296), Max 25fps; 2MP (1920×1080), Max 30fps; 720P (1280×720), Max 30fps · Sub Stream: 640×360, Max 30fps; 2CIF (704×288), Max 30fps; CIF (352×288), Max 30fps |
| 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
| Smart IR | Support |
| White Balance | Auto, Outdoor, Fine tune, Sodium lamp, Locked, Auto2 |
| Digital Noise Reduction | 2D/3D DNR |
| 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, ICMP, ARP, UPnP, RTP, RTCP |
| 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° ~ 355° |
| Pan Speed | 17°/s ~ 50°/s · Preset speed: 50°/s |
| Tilt Range | -15° ~ 90° |
| 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 | DC 5V/1.5A, USB type-C interface |
| Power Consumption | Max 5.6 W |
| Dimensions | Ø80 × 126 mm (Ø3.1" × 5.0") |
| Weight | 0.20 kg (0.44 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 |
| LED Indicator | 1, red/blue |
Dimensions
Engineering drawing reproduced 1:1 from the official datasheet.
unit: mm (in.)
| Dimensions | Ø80 × 126 mm (Ø3.1" × 5.0") |
| Weight | 0.20 kg (0.44 lb.) |
| Pan / Tilt range | 0°~355° / -15°~90° |
3MP Indoor Pan-Tilt Wi-Fi Camera FAQ — Uho-S3E-M3-A
Can one Uho-S3E-M3-A watch a whole room?
Yes in most rooms: the motorized mount pans 355°, nearly a full circle, and the 4.0 mm lens adds a 67.3° horizontal view. Auto tracking turns the camera to follow a person, so a corner or shelf mount covers a living room, stockroom or small shop.
Which alerts does it support for home and baby monitoring?
Ultra motion detection distinguishes human, vehicle and pet targets, and audio-side alerts include crying detection and high-decibel detection. So you get a notification when the baby cries or glass shatters, not every time a curtain moves — fewer false alarms.
How do I talk through the camera?
A built-in mic and speaker give two-way audio with G.711U/G.711A compression at 64 Kbps and 8 kHz sampling. From your phone you hear the room and answer back — checking on kids, giving instructions to staff or warning off someone who should not be there.
What Wi-Fi and storage does it use?
It joins 2.4G Wi-Fi (IEEE 802.11 b/g/n) with a built-in antenna and records to a MicroSD card up to 512 GB — no recorder required. At the maximum 2048 Kbps bit rate that is roughly three weeks of continuous video, and ANR fills recorder gaps after outages.
Is 10 m of IR night vision enough?
For indoor use, yes: 850 nm Smart IR reaches 10 m (32.8 ft), longer than most rooms, with auto or manual control. This model has a single IR illuminator and no warm-light module, so night footage is black and white; color needs 0.02 lux of ambient light.
The page mentions F3 (2.8 mm) and F4 (4.0 mm) — which lens does the Uho-S3E-M3-A actually have?
According to the official Uniarch datasheet, the Uho-S3E-M3-A has one fixed 4.0 mm F2.0 lens with a 67.3° horizontal view. The 2.8 mm version is a separate model, the Uho-S3E-M3F3-A (87.8°). When you order, quote the full model name so the right lens ships.
My router uses one Wi-Fi name for 2.4 GHz and 5 GHz. Will the Uho-S3E-M3-A connect?
Usually yes, because the camera only sees the 2.4 GHz part (2.4–2.4835 GHz, 802.11b/g/n). If setup fails, temporarily split the bands or create a separate 2.4 GHz name, set security to WPA2-PSK, and do the setup with your phone near the router. A fixed 2.4 GHz channel such as 1, 6 or 11 and a reserved IP address in the router also help against dropouts.
How well does auto tracking on the Uho-S3E-M3-A follow a person, and what are its limits?
It turns the head to keep a moving subject in view, at pan and tilt speeds of 17°/s to 50°/s, which suits people walking around a room; someone running close past the camera can leave the frame faster than it turns. Pan stops at 355°, so put the small blind gap toward a wall. While it tracks, it is not watching its normal view, so if a door must be recorded at all times, keep tracking off or choose a dual-lens model such as the Uho-S3S-M33D.
Can the Uho-S3E-M3-A stop watching while we are at home?
This model has no dedicated privacy button; the datasheet lists privacy masking only when recording to an NVR. A practical method is to save one of the 20 presets pointing at a wall or the ceiling and call it when the family is home. If a one-touch privacy mode matters, the Uho-S3E-M3TD-A and Uho-S3E-M5TD-A have a physical Action touch button that supports privacy mode.
What happens to the Uho-S3E-M3-A during a power cut?
No battery is listed in the datasheet, so it stops recording and goes offline until power returns, then restarts and reconnects. To ride through short outages, power both the camera (5 V 1.5 A USB-C) and the router from a small UPS or a power bank that can charge and output at the same time. Footage recorded before the cut stays on the microSD card.
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.
What is the difference between the Uho-S3E-M3-A and the Uho-S2-M3-A?
The Uho-S3E-M3-A has a wider movement range (355° pan and -15° to 90° tilt, versus 338° and -5° to 55° on the Uho-S2-M3-A), a USB-C power input instead of Micro USB, lower maximum consumption (5.6 W versus 7.5 W) and an RJ45 Ethernet port. Both are 3MP indoor cameras with a 4.0 mm lens, 10 m IR, auto tracking and two-way audio. Choose the S3E-M3-A if you need the fuller tilt sweep or a wired connection option.
Can I connect the Uho-S3E-M3-A by network cable where Wi-Fi is weak?
Yes. Besides 2.4 GHz Wi-Fi (802.11b/g/n), it has a 1 × RJ45 10/100 M Ethernet port for a cabled connection to your router or switch. Power still comes from the USB-C DC 5 V/1.5 A input, because the spec lists no PoE.
What power adapter does the Uho-S3E-M3-A need, and how much energy does it use?
Use a DC 5 V adapter rated 1.5 A with a USB Type-C connector. Maximum consumption is 5.6 W, within the 7.5 W (5 V × 1.5 A) that the specified supply provides. Running 24 hours at maximum draw it uses about 134.4 Wh per day (5.6 W × 24 h).
Can the Uho-S3E-M3-A be added to an NVR or viewed on a PC?
Yes. It works with the Uniarch app, the Uniarch client and web-browser live view with a plug-in (IE 10+, Chrome 45+, Firefox 52+, Edge 79+). The spec lists RTSP, RTP/RTCP and UPnP among its protocols, API/SDK integration and ANR network storage, and privacy masks are applied only through an NVR. ONVIF is not listed, so confirm compatibility before adding it to a third-party NVR.
Ordering questions — samples, shipping, payment, lead time and genuine stock — are answered once on our FAQ page.
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