Low noise design,64 preset positions,6 cruising tracks, each cruising track has 16 preset positions,Multi-protocol, RS485 dat FeaturesLow noise designPan range 0°~360°Tilt range 0°~90°64 preset positions6 cruising tracks, each cruising track has 16 preset positionsMulti-protocol, RS485 data communicationDC12V inputSpecificationModelRS-IV1918CN RS-IV2018BNRS-IV2122CNRS-IV2326BNRS-IV2430BNImage ...