Image Sensor, 1/4 SHARP CCD.Number of Pixels: PAL: 500 (H) x 582 (V).Scanning System: PAL / NTSc.Sync System: Internal Synchronization Horizontal Resolution: 420 TV Lines.Minimum Illumination: 0 Lux (Infrared Lamps Turn On).S/N Ratio: More than 48dB.Characteristic: 0.45 Electronic Shutter Time: Auto, PAL: 1/50~1/100,000 Sec / NTSC: 1/60~1/100,000 Sec.Video Output: 1.0Vp-p 75 ohm.Power Consumption: 12V 10% DC, 120mA (When the infrared Lamps turn on maximum electricity is 450mA).Built-in Lens: 6mm / F1.5 Housing: Aluminum Alloy.Color: Black or Silvery White.Infrared Wavelength:  850nm Effective distance: 35m.Infrared Lamps Automatis switch: Night / Day Operating / Turn off LED N0: 24PCS.Ranging Distance: 15-20 M