smart ring three-dimensional adjustable direction design, to adapt to any angle of installation 
5-15 m infrared light automatically on/off, 
optional 4mm lenses, 
heavy duty 304 stainless steel, 
anti-corrosion ability, suitable for marine use
CCD ;resolution 700TVL, 
weight 1.3kg, 
DC12V / 2A power supply
4pin aviation plug
size 109mm (L) x 106mm (H) x 83mm (W)
Protection : IP68
Input Voltage : 12-32V.
working current : ≤ 2A
Image Sensor : 1/3 Sony
Signal-to-Noise Ratio : >75dB