1/4''  700TVL Indoor Plastic Day Night Security Surveillance CCTV Dome Camera With 20M IR  Range Night Vision-Black Support the backlight compensation function, suitable for backlight environment prospect object monitoring Support the automatic white balance function, color reduction degree is high, image lifelike Support ICR infrared filter plate automatic switch, automaticly turning from black to color function, realizing the monitoring day and night Low illumination level, 0.1Lux @ (F1.2,AGC ON),0 Lux with IR High resolution,700 TVL, image clear and fine.