Can connect 3 columns
Output Voltage (VDC) 33
Input Voltage (VAC) 110/240
Transformer Power: 360
C6 control box – we special design for 3 legs desk frame, the leg version should be 3 stages, big stage on top or bottom both availabe. the control box have all functions, gyro-sensor, anti-collision, 4 memories button control, child-lock etc.