1/4' Special zoom camera use only Sony Super Had CCD 480TVL high display resolution 0.1Lux Illumination 3.6-79.8mm zoom camera use only Canon Lens Auto Iris and focus Anti bomb design stainless steel shell Building decoder, 485 control direct 22x optical and 10x digital zoom range Triplex plating, perfect looking Wide dynamic control design, strong light control Anti bomb bracker, make camera more safety (option) 240x105x80mm