1/3 "EM-CCD (electron multiplier), the highest resolution 650TVL Low Illumination, professional infrared Design. CDS light control design, automatic metering to control brightness streamlined design, nice power supply DC12V DC (± 7.5-18V) power consumption of 2.4 watts maximum CCD size 1/3 "EM CCD (electron multiplier) total pixels 752 (H) × 582 (V) Effective Pixels 750 (H) * 574 (V) level of resolution day and night full-color 650-line shading imaging ± 5mA current changes the video output 1.0Vp-p/75II (Video 0.7Vp-p, sync 0.3Vp-p) signal-to-noise ratio (Y signal) is equal to or greater than 50dB Minimum Illumination 0.0001Lux @ F1.2 Backlight Compensation Auto White Balance Automatic electronic automatic shutter speed of 1/50 to 120,000 seconds Sensitivity open (200-fold magnification) single-drive lens aperture control interface C/CS- interface (easy to focus) Operating Temperature -10 ℃ ~ +50 ℃ Operating Humidity 20 ~ 90 % RH Dimensions 135 * 76 * 68MM Weight 500g