Connected doorbell and videophone - Universal - Coaxial HD and 1080p UTC 4 in 1 surveillance camera(Black) Highlights Universal Coaxial HD and 1080p UTC 4 in 1 surveillance camera(Black) HD Coaxial AHD 1080P UTC 4 in 1 surveillance camera specification Product size: The total length of 30mm - 85mm adjustable At the bottom of the thickest part of 35mm Horizontal resolution 800 TV lines, No amount of infrared light (without IR) PAL scan frequency: 15.625 kHz/50 kHz Scanning System 2:1Lnterlace, 2:1 interlace Minimum Illumination 0.5 lux Internal Internal Sync/DC12V Signal to Noise Ratio over 48DB better than Auto Auto Electronic Shitter 1/50~1/100,000 Sec. Video output 1 VP-P, 75 Composite signal 75 Power supply DC 12V (10%) Lens configuration 2.1mm Viewing angle about 120degree Power consumption 800MA/DC12V