1. 1MP 720P 160 wide-angle camera, used for home security real-time monitoring, is widely used as a security device in homes, hotels, villas, apartments, etc. 2. The 5-inch screen can be used in conjunction with the camera to clearly and intuitively display the scene outside the door. 4 built-in infrared lights are manufactured the night clearer 3. The Door Chamber uses strong and durable zinc alloy to prevent external damage. It has a variety of functions, including doorbell, infrared night, photo and video recording, and motion detection. 4. Simple design, very easy to operate, the device has a built-in memory card and supports external up to 32GB (not included). 5. The 5000mAh large capacity battery provides Long standby time, you can use it for a long time. Specification: 100% brand new condition Item Type: Door Camera Interface: micro-usb Standby time: about 3 months Speaker: Support Microphone: Support Door hole diameter: approx. 15-50mm / 0.6-2.0inch Suitable thick door: approx. 40-110mm / 1.6-4.3inch colour: gold + black Material: plastic Package Contents: 1 x indoor host 1 x outdoor handset 1 x USB charging cable 1 x metal hanging board 1 x screw pack 1 x English operation guide Only the above package content, other products are not included. Note: Light shooting 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.