Chamberlain Liftmaster LM750 Roller Door Automatic Operator + 2 Remotes

*Features fast, silent & powerful DC motor with soft start and soft stop self locking gear system when garage door is closed. *For single, double car domestic and light industrial roller doors. *Long range encrypted radio technology *Two 4-channel mini remote control keyfob handsets *Wireless wall control *Energy saving with low standby power *Electronic never forgetting travel distance limits *Automatic operating force adjustment for UP and DOWN travel *Meets or exceeds international safety standards including SASO Manual disconnect system in case of power failure *LED lighting SPECIFICATIONS; LM750 Input Voltage 230240 VAC, 50 Hz, 110 W Rated Load 25 Nm Max.Pull Force 500 N @ 300 mm Standby Power 1 Watt Drive DC gearmotor permanent lubrication Max. Drum Rotations 4 1/2 Memory Registers 64 Operating Frequency 433.30 433.92 434.54 MHz