Doorbell peephole camera: Use a door bell camera similar in appearance to a cat's eye, one-click viewing without storage to protect privacy,When the visitor ring the doorbell ,digital door viewer will be ringing and take photo storage you can check it later 160° wide-angle lens: equipped with a 160° wide-angle lens, clear insight into the details outside the door to reduce safety hazards. Aluminum alloy material is vandal-proof, it can prevent human dae to the maximum extent Night Vision: 2PCS 850nm IR led,it can also get clear ie at night Cyclic storage: It supports max to 32G TF card ,the system will delete the oldest photo and save latest photos when it is full Product name: Doorbell camera Sn: 4.3inch LCD sn, 640 x 480 Camera: 0.3MP Viewing angle: 160° Memory: Maximum support 32G TF card Infrared light: 2PCS 850nm LED Door hole diameter: 14-60MM Door thickness: 35-110MM Power supply: Built-in 1200mAh rechargeable battery Colour: light gold Material: aluminum alloy Size: 9.8 x 8.6 x 1.7cm Package Contents: 1 x indoor host 1 x outdoor handset 1 x charging cable 1 x lithium battery 1 x metal hanging board 1 x screw pack 1 x English manual 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.