HD/SD video dual code stream Main code stream: 1920*1080 (2MP) HD image, sub code stream: 640x360; 264 encoding, lower bit rate, clearer image quality, less bandwidth occupied, longer storage time; Supports accurate human shape detection, can detect multiple human targets at once; Support PIR human body detection, trigger capture and TF card storage video, cloud storage recording events Support TF card recording and cloud recording, TF card maximum support 128G Long time use, no need to disassemble can be connected to USB/AC/DC to the device power supply; Charging mode power input interface support USB: 5V-2A, AC: 16V-24V, DC: 5V multiple ways to power; Support for cloud , event logs, alarm records video storage; Use of equipment in harsh environments to support the operating temperature -10 ~ +50 , operating humidity 80% Support device sharing function (support sharing multiple friends) and family to create multiple devices to share together Lens: Full 4G ultra wide angle 1.7mm lens Horizontal 130 wide angle Video : 1920*1080/30fps 640*360/30fps System :Lite OS Network Configuration Mode : One-touch WIFI (2.4GHz) Configuration + Sweep Configuration Memory card: Maximum support 128GB high-speed memory card (Class10) Infrared distance: 6 850nm infrared, effective distance 5m Power supply: AC16-24V (configurable) Cloud storage: support Operating Temperature: -20~+70 APP: TUYA Colour:black Material:ABS Package Contents: 1 x doorbell Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.