Specifications:
Display screen: 3.5inch LCD color screen, Resolution of 480*320 
Sensor: 2 Mega CMOS Sensor
Function: Energy saving, Low Power Alert
Power supply: 4pcs AAA batteries (not included)
Door Thickness Range: 35-100mm
door hole diameter: 14-28 mm
Door Thickness: 35-100 mm
Indoor device size: 118.5×62.5×18.5mm 
Diameter (camera outdoors): 30 mm

Function operations: 
Pressing power button to display image, through the display screen to observe the scene outdoor, after 15s, the unit will be off automatically. 
1. Power on: pressing power button 
2. Power off: power off automatically after power on 15s ; During power on status, pressing power button 3s to make power off,too.

Package content:
1 x Outdoor Unit 
1 x Indoor Unit （monitor）
1 x Metal bracket 
3 x Pairs of Screw 
1 x user manual

Product Features

• Hidden outdoor camera, 120 degree vision angle
• Open the power button to monitor, you could see who is outside the door at any time
• Auto power off after 15s , Press the power button 3s to power off
• 3.5 inch LCD color screen
• Power supply: 4pcs AAA batteries