. Designed for areas that are prone to attack the UTC-DSIRHRVis enclosed in a vandal resistant & weatherproof housing. The robust design of the UTC-DSIRHRV makes it a highly visiblecamera that can act as a deterrent in hostile environments. This high-resolution ball dome comes complete with 36 in-built IR LEDs & CDS sensor. Amongst a wide array of functions the UTC-DSIRHRV features an external zoom/focal adjustment forease of setup. Type Color/ Monochrome Signal System NTSC/PALPick Up Device 1/3 Sony Color High Resolution CCDPicture Elements NTSC 811H 508V PAL 795H 596 V Resolution 520 TV Line Min Illumination 0 Lux (36 Pieces IR LED ON) Vertical Frequency NTSC 60 Hz PAL 50 Hz Horizontal Frequency NTSC 15.734 K Hz PAL 15.625 K Hz Clock Frequency NTSC 28.636 M Hz PAL 28.375 M Hz Scanning System 2 1 Interlace S/N Ratio >50d Electronic Shutter NTSC 1/60-1/100000S PAL 1/50-1/100000 S Lens 3.5-8mm Fixed Iris Lens White Balance AUTO Tracking Back Light Compensation ONAuto Gain Control ONGAMMA 0.45 Video Out-put 1V p-p 75 Ohm Power Supply DC12V 10% Current Consumption 340m A (MAX)IR Effect Distance 25m (Outdoor) Dimension 120)dia)x 100m Weight 950g Storage Temperature -30+60 Operating Temperature -30+40..