Digital Peephole Viewer with Doorbell Function
Sensor: CMOS, 0.3M Pixels
View Angle: 170 degree
Display: 3.5 inch LCD Screen
Installation & Operation: Conveniet Operation, Simple Installation, no wiring
Indoor Host Device Monitors Outside, Doorbell Alert
Automatically Take Photo: Take a piece of photo after pressing doorbell button or Indoor Monitor button

Internal memory able to store up to 100 pictures
Don't Disturb Function: Press Indoor Monitor Button 10 seconds
Language: Chinese/English
Date & Time: Y/M/D H/M/S
Preview: Yes
Delete File: Yes/No
Power Supply: 3xAA Alkaline Battery

Door Thickness: Barrel will fit doors that are 40-60mm wide