DI-371UVVF INFRA-RED VARI-FOCAL DOME CAMERA 1/3" SONY CCD UltraVision DSP 700TVL, 0LUX 36Led, 25m 4~9/2.8~12mm Vari-Focal Lens Features Superior WDR 4~9mm/2.8~12mm Mega-Pixel lens 700 TVL resolution OSD Menu 3D-DNR (Digital Noise Reduction) BLC/HLC Motion detection & Privacy masking Image stabilzer X10 digital zoom Superior night function RS-485 3 Axis Mechanism