Clock Cameras - Wall Clocks, Radio Alarm Clocks, Etc.. 
Covert Camera CB-8100 CB-8100

B/W Sony CCD sensor
EIA:510(H)x492(V) & CCIR: 500(H)x582(V)
420 TV Lines
0.1 Lux @ F2.0
3.7mm / F2.0 Pinhole Lens
Auto Gain Control
12V DC