2.5" size, 1/3" SONY CCD, 0 LUX. 3.6mm / 6mm / 8mm fixed lens optional, 11PCS new imported small piranha IR LED, the light is even, high brightness. IR night vision distance: 25m. Black / white plastic housing & small size for used indoor. Metal housing for vandalproof is optional, add USD3.2/PC, purple / white color.