The Supercircuits brand, SC Black, dome, CS-mount and bullet cameras include DNR (digital noise reduction), OSD (on screen display) and DSS (digital slow shutter for day/night function). True day/night and digital day/night versions and Pixim-based WDR models of all cameras are also available. All SC Black domes are auto-iris, with premium Tamron varifocal lenses. A 10X zoom PTZ dome camera is also available. CS-Mount cameras have built-in back focus control, dual voltage and top and bottom mounting options for convenient installation. Bullet camera models include mini, IR and high-end versions, with motorized 10x zoom models available as well.