The SCD-6021 is Samsung's HD-SDI 2M Compact Dome Camera, capable of delivering high definition video at up to 30 frames per second, with virtually zero lag, using the Serial Digital Interface (SDI) standard on conventional coaxial cable. This camera features a built-in fixed lens of 3.8mm, Motion Detection, and Samsung Super Noise Reduction (SSNRIII) technology, as well as a True Day Night infrared cut filter, and Wide Dynamic Range rated at 100dB.