Feature:1. Self Locking Function: DC gear motor has self locking function, the output shaft cannot be rotated when the motor is powered off.2. Working Principle: The worm DC gear motor can change the direction of rotation of the motor by changing the wiring. High accuracy.3. Output Shaft Direction: The output shaft direction of DC gear motor is perpendicular to the motor shaft, and the direction of the output shaft of the whole motor body is much shorter than the output shaft of ordinary gear motor.4. Widely Used: DC gear motor is widely used in window opener, door opener, small winch, etc. Practical and safe.5. Aluminum and Brass: Our DC geared motor is made of aluminum and brass with excellent craftsmanship, which can be used stably.Specification:Item Type: DC Geared MotorMaterial: Aluminum, brassThread Size: M6x50mm, Approx. 50mm/2inUse: Widely used in window openers, door openers, small winches and other situations..Package List:1 x Worm DC Geared Motor