YB-43CH 4.3 inch Screen 1.0MP Security Camera Door Peephole with One-key to Watch Function(Black) About This Product Danmini smart electronic cat eye to create a cat-eye new century, is the last defense of home security line. Without breaking the door structure under the premise of the use of existing door, no punch, no wiring, installation can be used. One-key to watch function is simple and easy for the elderly children can use, for your family security escort. Features 1. 4.3 inch high-definition display. 2. 1MP Professional security hidden type camera. 3. Metal material prying cat eye head. 4. 145 degrees wide angle. 5. 1800mAh lithium battery; easy to use and convenient. 6. Support USB and mobile power supply. 7. Support the door thickness 35-110mm. 8. Support the door hole range 15-25mm. 9. Energy saving technology, automatic standby. 10. One key to wake up function to watch, easy to operate. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store