... 150kgsX2Power supply90VAC~250VAC, 50/60HzVoltage output12V DC, 24V DC Brushless Motor55W,24V DCOpening speed and closing speed250~550mm/SCreep ... of locked, computer will output changeable intelligent power to motor through monitoring doors, it is energy-efficient and can ... inside signal loop, open and close accurately.12. Adopting DC brushless motor, and worm gear, worm rotation, starting torque is big ...