UniarchIndoor Pan & Tilt Wi-Fi

4MP Indoor Pan & Tilt Wi-Fi

Uho-S2-M4

Name: Uniarch Uho-S2-M4
Brand: Uniarch

4MP indoor Wi-Fi camera with a real motorized pan-tilt head — 340° pan, -5° to 55° tilt, Auto Tracking and two-way audio. No network cable, just power and connect over 2.4GHz Wi-Fi.

4 MP · 2560×1440@25fpsWi-Fi · 2.4GHz built-in antennaAuto Tracking · follows moving subjects2-Way Audio · mic + speakerHuman Detection · + audio detectionMicroSD · up to 512GB

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In-stock models: 3 days to your designated warehouse after payment · Out-of-stock or insufficient stock: 7–15 working days

Sample quantities are welcome — testing one or two units first is the normal way to start.

Certified:CEFCCRoHSWEEE

Corporate orders are registered with the manufacturer under your company name — genuine supply you can verify at the source.

4 MP2560×1440 recording

Wi-Fi2.4GHz, no cable needed

340°Motorized pan range

AutoAuto Tracking

Is this the right camera for you?

Plain-language guide for buyers and installers — based only on what this camera actually does.

Baby & family monitoring, hands-freeAuto Tracking follows your baby or family members around the room on its own, and Audio detection flags loud sounds so you don't have to watch the feed constantly.

Whole-room coverage from one cornerMotorized 340° 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 body detection cuts down false alerts versus plain motion detection, and it runs over Wi-Fi so there's no cable to run to the front desk.

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
A wired network fallback — this model connects over Wi-Fi only, there is no Ethernet port
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
Vehicle, pet, or crying-specific detection — this model does human body, motion and audio detection only

Worried about counterfeits? Order under your own company name.

For corporate buyers: we support submitting the purchase order to Uniview under your company's real name — your company appears on the official order, so the origin of the goods can be verified directly with the manufacturer. Just provide your company name and pay by corporate bank transfer. Models carrying the anti-counterfeit label can also be self-verified on Uniview's official Anti-Counterfeiting Query page — enter the unit's SN plus the scratch-off code.

1 · Company name2 · Corporate bank payment3 · Order registered in your name4 · Verify SN on Uniview's site

Using your own freight forwarder? No problem.

For small and mid-size orders, we deliver directly to your designated forwarder's warehouse in China (EXW / FOB Guangzhou). From hand-over onward, international shipping and destination-side arrangements are handled by your forwarder — the way you already work.

EXW / FOB GuangzhouDelivery to your forwarder's warehouseNo minimum order

Note: manufacturer order registration (left) is available via the corporate purchase channel.

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Key Features

Complete list from the official datasheet.

High quality image with 4MP, 1/3" CMOS sensor

4MP (2560×1440)@25/20fps; 3MP (2304×1296)@30/25fps; 2MP (1920×1080)@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

Full Specifications

Complete official specifications from the manufacturer's datasheet (technical values in English).

Camera

Max Resolution	4 MP
Sensor	1/3.0" CMOS
Min. Illumination	Colour: 0.01 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)	79.0°
Field of View (V)	42.3°
Field of View (D)	85.1°

Illuminator

Supplemental Light	IR
Illumination Distance (IR)	Up to 10 m (33 ft.)
Wavelength	850 nm
IR On/Off Control	Auto/Manual

Video

Video Compression	Ultra 265, H.265, H.264
Frame Rate	Main Stream: 4MP (2560×1440), max. 25 fps; 3MP (2304×1296), max. 30 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 6144 Kbps
U-code	Support
OSD	Up to 2 OSDs
Privacy Mask	Support (only NVR)
ROI	Up to 8 areas
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	N/A
Defog	Digital defog

Events

Basic Detection	Human body detection, Motion detection, Audio 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
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° ~ 340°
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	N/A

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 5 V/1.5 A, Micro USB interface
Dimensions	Φ80 mm × 120 mm (Ø3.1" × 4.8")
Weight	0.18 kg (0.40 lb.)
Working Environment	-10 °C to 55 °C (-14 °F to 131 °F), Humidity: ≤ 95% RH (non-condensing)
Storage Environment	-10 °C to 55 °C (-14 °F to 131 °F), Humidity: ≤ 95% RH (non-condensing)
Reset Button	Support
LED Indicator	1, red/blue

Dimensions	Φ80 × 120 mm (Ø3.1" × 4.8")
Weight	0.18 kg (0.40 lb.)
Pan range	0° – 340°
Tilt range	-5° – 55°