... DC, 24V DC Brushless Motor55W,24V DCOpening speed and closing speed250~550mm/SCreep speed20~100mm/SManual opening Force<50NHold ... controller, realizing wireless remote parameter setting.7. Powerful intelligent self-closing function, at the statue of locked, computer will output ... doors, it is energy-efficient and can realize safe closing.8. Main function interfaces include: permanent open, partial open ...