Bosch LTC 0510/20 Dinion 1/2" IT CCD B/W Camera, 1/2" IT CCD Camera, 570TVL Super High Resolution, 0.021 Lux Minimum Illumination, 24VAC, Backlight Compensation, DC & Video Auto-Iris Lens Compatible, Line Lock Synch Security Camera features: 1/2" IT CCD B/W Camera 0.021 Lux Minimum illumination Advanced Digital Signal Processing Built on Bilinx Technology 570TVL Auto Detection of Lens Type Intelligent White Balancing Auto Black to reduce glare or contrast in images Video Motion Detection 24V AC Easy to Install