Feature: 1. MULTI PROTOCOL SUPPORT: Door peephole camera supports a variety of network protocols including P2P, CGI, HTTP, TCP, IP, IPV4, RTSP, UDP, NTP, DHCPDNS, IP Filter. 2. EASY TO USE: Plug and play, easy to operate. The minimum illumination is 0.001lx, which ensures that it can provide a clear picture in low light environments. Compatible with a variety of smart phone operating systems, user friendly. 3. MULTIFUNCTIONAL: It adopts CMOS image sensor with high sensitivity and high signal to noise ratio, and supports H.264 compression, triple code stream and mobile monitoring function. 4. SAFE AND CONVENIENT: It supports remote alarm linkage. Realize IE browsing, streaming and command access through 1 network port, which is convenient for users to set up the router. 5. PREMIUM MATERIAL: Door peephole camera is made of premium aluminum alloy material, which is sturdy and reliable, and can ensure long term stable use, as well as a wide range of application scenarios. Specification: Item Type: Door Peephole Camera Material: Aluminum Alloy Horizontal Resolution: 5MP Image Sensor: 1.66mm Effective Pixels: 5MP Signal Type: USB Digital (UVC Protocol) Auto Gain: OSD Video Output: MJPG, YUY2 Sound Output: Yes System Synchronization: Internal Synchronization Operating Temperature: -20 ℃-60 ℃ Backlight Compensation: OSD Minimum Illumination: 0.001Lx Signal To Noise Ratio: ＞52dB Interface: RJ45 Ethernet: RJ4510M, 100M Adaptive Protocol: P2P, CGI, HTTP, TCP, IP, IPV4, RTSP, UDP, NTP, DHCPDNS, IP Filter Access Protocol: Private Protocol, CGI, GB28181 Client: For IOS, For Android, For Win. Package List: 1 x Door Peephole Camera1 x Instruction Manual