Specifications:
- Fits any door: 40-110mm (1.57"-4.32") thick
- Fits any barrel hole: 12-22mm
- Sensor: 0.3 Mega Pixel CMOS
- LCD screen: 3.5" TFT
- Power source: 4 AA Batteries (good for approx. 2000 "peeps")
- View angle: 120 degree
- Weight: 350g (battery: 96g)
- Size:135(W)x85(H)x24.5(D)mm