1The worm gear motor with self-locking, even if in the absence of electricity in the motor, the output shaft is not to move, that is self-locking 2This motor is adopted of pure copper wire coil, with low heat and low loss. 3The motor is made of metal gear, wear-resisting, avoid tooth breaking, so with long serving life. 4Easy installation, flexible and easy, superior performance, easy maintenance 5Worm gear motors widely used in windows, a door opener, mini winches and other occasions