DESC: The SSC-CD75 is a vandal-resistant mini-dome designed for either indoor or outdoor use with super clear resolution, 540 TV lines. Vandal Resistant Minidome Camera - 540 TV Lines 1/3 Type Interline Transfer CCD with Super HAD Technology DSP technology 380,000 Effective Pixels 0.9 lx Black and White 0.06lx On/Off Switchable CCD Iris On/Off Switchable Backlight Compensation Turbo Off Switchable Auto/Gain Control ATW -PRO/ATW White Balance Mode Analog Video Output NTSC Signal System Internal AC/Line Lock Signal System S/N Ratio more than 50dB AC24V or DC12V