DC -505/SD-806 -W1===================Door Weight (Kg) 200x1 150x2Aluminum Case 2.1-6.4m 2.1-6.4mOpening Speed(cm/sec) 45-55 90-110Closing Speed(cm/sec) 25-50 50-100Opening Time(sec) 1-9 1-9Microcomputer -Controller 8bit 8 bitMotor(Brushless) DC 24 V DC 24 VPower Voltage 110-220 v 110-220 vPower Consumption 45W 45WBelt V/T V/T