1/3" SONY Super HAD ⅡCCD. 
Lens: pointed pinhole 3.7MM F2.0.                                   
Option:□install audio output              □all size of fish eye
* Digital signal processing, image bright and vivid        *Automatic tracking white balance(ATW/AWC)   *Automatic electronic shutter         *Simulation of smoke model, lens hidden in the nets,difficult to detect, reducing the  sense of oppression            *More details pls contact sales4 at cmutech dot com