Wsdcam 2.8 Inch Peephole Doorbell 90 Night Vision Photo Digital Door Monitor LCD Peephole Viewer CatEye Camera Security Protect Features: 2.8 inches LCD Color Display Screen, with image resolution of 240 x 320p, shows images clearly and smoothly. It is more convenient and quick to use. There are 3 replaceable screws to install the doorbell, you can choose the suitable one to use according to the thickne of your door. LED screen display automatically and take a photo when someone prees the doorbell, it can view visitors in real time and act as a home . Long pre the scroll down button to set the automatic shutdown time, 15s, 25s, OFF.Long-pre upturn key to delete all visitor records in the boot state. You can delete all visitor records by preing the scroll down or upturn key when you look at the photos. you can choose your favorite one as your needs. Specifications: Material: ABS Color: Silver (Optional) Power Supply: 4 * 1.5V AAA Batteries (Not Included) Item Weight: 115g / 4oz Package Size: 14.5 * 11 * 7cm / 5.7 * 4.3 * 2.8in Package Weight: 240g / 8.5oz Package List: 1 * Doorbell 1 * LED Screen 1 * User Manual 3 * Screws Powered by 4 AAA batteries (not included) Dear Valued Customer: Your satisfaction and positive feedback is very important to us.Please leave positive feedback and 5 stars if you are satisfied with our items and services. lf you have any problems with our items or services, please feel free to