Wireless Video Doorbell Camera HD 1080P WiFi Smart Home Security Doorbell 2 Way Audio PIR Human Detection for Tuya Item Type: Video Doorbell Material: ABSColor: BlackSensor: 1080P COMS sensor Lens: 6G wide angle 2.2mm lens Viewing Angle: Horizontal 120 degrees, diagonal 150 degreesVideo Streaming: Main code stream 1280x720/15fps, sub code stream 640x360/15fps CMOS Performance: Support automatic white balance, automatic gain control, automatic backlight compensation System: Lite OS Standby Time: About 6 months (awakening 10pcs per day, 30 seconds each time)Day Night Convert: Automatic switching of dual filters Infrared Distance: 850nm infrared, effective range of 5m/16.4ft Network Configuration Mode: Qr code distribution network, sound wave, wifi quick connectionPIR Human Detection: Support PIR detection wake up Audio Coding Standard: AAC and G.726 Audio Input Output: -38dB microphone, built in 1 speaker Video Mode: Automatic video and event videoNetwork: WiFi: 2.4GHz Network Protocol: TCP/IP, HTTP, TCP, UDP, SMTP, DHCP, DNS, P2PWireless: WIFI802.11b/g/n wireless network Alarm: PIR human Detection: Support Function: Adaptive Streaming: Support2 Way Audio: Supports full duplex real time callsPanoramic Display Mode: N/ASleep Time: Adjustable for 15S, 30S and 60S Voice Call: Support Remote Wakening: SupportPIR Wakening: Support APP: For Tuya smart System Requirement: Power Supply: 2x18650 Lithium battery 2200mAH (built in) Working Temperature: -10℃  to +50℃ Working Humidity: ≤80%RH