... 250VAC, 50/60HzVoltage output12V DC, 24V DC Brushless Motor55W,24V DCOpening speed and closing speed250~550mm/SCreep speed20~100mm/ ... easy6. There are remote parameter setting interface in the controller, realizing wireless remote parameter setting.7. Powerful intelligent self ... signal loop, open and close accurately.12. Adopting DC brushless motor, and worm gear, worm rotation, starting torque is big ...