VICON SECURITY PTZ DOME 3MP CAMERA 36X OPTICAL ZOOM SN683D-WIRDescription Vicons SN683D WIR HD Network Dome Camera is designed for performance in the most demanding security installations. The 3 megapixel pan, tilt, zoom (PTZ) camera has an integrated 36x optical zoom lens (4. 6 mm to 165 mm) and integrated IR LEDs provide illumination up to a range of 1312 feet (400 meters). Key Features 3 MP resolution True WDR; day night camera with a built in varifocal 36x optical zoom autoiris lens Synchronized IR