This device is OV6920 camera module, it is used for video endoscope, inspection camera; it has small size, just 4mm diameter, and low consumption.
Specification:
Image Sensor 1/18 OV6920 CMOS
Horizontal Resolution 240TVL
Sensing Area 820μ m×625μm
Signal System NTSC
Effective Pixels 320×240
Scanning frequency H:15.7343KHz V:60Hz
Electronic Shutter 1/60S – 5.7μS
S/N Ratio ≥42dB
Gray Rating 10th rank
Gamma value 0.45
Low electricity level 0.06 Vp-p
Minimum Illumination 2.0 Lux / F2.0(0 Lux When LED is on)
Video Output 1.0Vp-p 75Ω
Standard layout lens 55°
LED Lamps 1mm-80mm(4 lamps, can be set as you want)
dimensions of camera board 4mm×16mm
Power Consumption DC 3.5V-- 5V camera module:20mA;
LED:20mA
Operation Temperature -20℃~45℃ RH95% Max


This is smallest camera of world, just 4mm Diameter, can used for video endoscope, medical endoscope, inspection camera