Photo Shooting: When the visitor presses the doorbell, the indoor host rings and the LCD screen turns on to take a photo. In power-on mode, you can press "power key" to takes photo too. Easy to make a visitor record.
Power Supply Mode: Powered by 4 AAA batteries (not included), just open the battery cover on the side of the indoor host, no need to remove the doorbell. The screen supports power display.
Built-in Memory: With built-in memory, it stores photos in a loop, no need for a memory card.
Wide Viewing Angle: 90-degree wide-angle lens allows you to see a larger picture without missing any visiting friends.
Specifications:
Model Number: DD1
Display: 2.8 inches LCD screen
LCD Resolution: 320*240p
Camera Pixels: 0.3MP
IR Lights: 2pcs, 850nm
Memory: Built-in cyclic storage
Comes with 8M memory, can store 75 or so photos, automatically overwrite when the memory is full
Power Supply: DC 1.5V AAA batteries * 4 (not included)
Door Thickness: 35mm-120mm
Mounting Hole Size: 14-22mm
Color: Silver, Gold (Optional)
Host Size: 12.7*6.9*1.8cm/5*2.71*0.70in
Host Weight (without batteries): 67g/2.34oz
Peephole Size: φ5.8*1.3cm/φ2.28*0.51in
Peephole Weight: 27g/0.94oz
Package Size: Approx.14.4*11.2*6.9cm/5.67*4.41*2.71in
Package Weight: Approx. 235g/8.27oz

Package List:
1*Indoor Host
1*Peephole Camera
1*Bag of Screws
1*Bracket
1*User Manual (English/Chinese)