... projection screens ,retractable awnings ,garage door ,industrial door ,commerical door ,patio door ,shutter door,entrance door ,storage door ,storm door ,hurricane shutter ,Output torque: ... brakeDouble sided magnetism, cone magnetism, electromagnetism brake system is used in this new type motor in ... the installation time ,Effective distance for remote control system is more than 30m. Voltage: 230V/50Hz ...