1)Perfect security substitutions for front door peep holes.  

2)Reverse polarity power input safety circuit built-in

3)Wide Angle Board Type Lens

4)Built in Sony CCD

5)Pickup device: SONY/Sharp 1/3" 1/4"

6)SystemFPAL/CCIR NTSC/EIA

7)H. Resolution: More than 420TV-470 lines 

8)Low LUX Sensitivity: 0.5Lux / F2.0 or 0.1Lux / F1.2

9)Gamma Correction:0.45

10)Power Supply: DC 12V(10%)