This is 30X zoom DSP camera with 540TVL high resolution. Auto focus and auto IRIS. With vari-focal lens: 3.9mm~105.9mm.
30 X Optical Zoom
Quick auto focus.
1/4 Sony super HAD CCD
Built in Auto Focus/Auto Iris
OSD (ON Screen Display)
RS485 control,inside RS485 decoder,use Pelco-D or Pelco-P protocol to connect with DVR or Keyboard Controller
Recommended accessory: RS485 signal transmission line
There are RS485 signal transmission lines with different length, 5 meters--(SKU: PT0181), 10 meters--(SKU: PT0182) and 20 meters--(SKU: PT0183). And it can be customized, if you need one with length above 20 meters, the price is USD 1.2 per meter.