High Die-cast Aluminum construction.Built-in fan and heater
 360° Continuously rotation, rotation rate 360°/s. 
 Low noise design
 OSD  function
 128 preset positions,60 seconds self studying function per track,total 4 tracks
 0.01 Min.illumination,Auto pan function between 2 presets
 Multi-protocol communication
 High speed for wide-angle, low speed for far distance
Built-in surge and lightning strike protective equipment.