Features: 1)Thisgarage dooropenerdoesn't need the chain, guide screw and slide bearing as a traditional opener does, it drives the Spring pole directly by motor. It takes small volume, convenient to transport, and save the charge of transportation.2)Time-lapse light, storage power, infrared sensor, alarm systemprogrammable....3) Rebound meeting with obstacle in its down moving and stops when meeting obstacle in its up moving4) Storage power, infrared sensor, alarm systemprogrammable....5) Many types of transmitters for choosing6) The users can open and close the door by remote control operation, electric operation and manual operation7) we could control the motor normally in the out side even in a bad weather conditionTechnical parameter NameSpecificationsPower supply110/220/240v±10% 50/60HzPower dissipated in off state≤5WMax elevating power600N800N1000NMotor noise55dBMotor power90W120W 150WWorking speed0.12m/s0.14m/sRemote control distance≤50mWorking temperature-20+60Max elevating high ≤2.5m≤3.5m≤4.2mOptional garage door specification≤8≤12≤15