Image Sensor: 1/3 Sony CCD (1/4 Sony CCD, 1/3 Sharp CCD, 1/4 Sharp CCD) Effective Pixels: 510(H)x582(V) 290k - PAL Resolution: 420TVL Synchronizing System: Internal Scanning System: 625 Lines, 50 Filed/Sec S/N ratio: More than 46dB (AGC off) Min. Illumination: 0Lux (led on) Ir Leds: 12pcs Visible Distance: 15M Gain Control: Auto White Balance: Auto Gamma Characteristic: Auto r=0.45 Power Source: DC12V, 100mA Built-in lens: 3.6mm board lens