X1 4.3 inch Screen IP55 Waterproof Digital Door Viewer Feature 1. The product is installed at the position of the door eye hole on the door, replacing the optical door eye door mirror. Clearly display the image outside the door on the screen of the host computer inside the door, allowing the owner to see the visitors outside the door clearly at home, and can take pictures manually. 2. The outdoor unit replaces the traditional optical cats eye, no need to stick to the eyes, the viewing range is large, and it is not limited by height, which is suitable for the elderly and children. 3. The outdoor unit is made of zinc alloy (anti-theft, anti-prying, anti-peeping). 4. The outdoor unit has a built-in hidden camera, which is similar in appearance to the traditional peephole (CMOS 1 million pixels, maximum support 1280x720P, displayrecord outdoor images) 5. 4.3-inch TFT LCD screen for door machine, screen resolution: 480x272. 6. The host adopts single-button operation, which is easy to operate and has practical functions. 7. Two power supply methods for the machine: a. 1800mah lithium battery power supply b. 5V1A-5V2A Micro USB, supply power to the machine. 8. The machine adopts an energy-saving and power-saving design. The indoor unit automatically turns off the screen in 15 seconds and enters the standby state. It can be used after about 180 days of standby (for details, please refer to the power-saving reminder card). 9. The machine is easy to use. a. Install the machine on the door according to the instructions. b. Power the machine (load battery or connect micro USB) c. View the situation outside the door through the door unit Specifications 1. Image sensor: 14 inch CMOS(1034) 2. Effective pixels: 1280(H)x720(V) 3. Minimum illumination: 0.5LuxF2.0 color), 0.02LuxF2.0 (B&W) 4. White balance: automatically track white balance 5. Gain control: automatic 6. Signal-to-noise ratio: greater than 50dB 7. Backlight compensat