1.Small and light. 2.Durable in use. 3.Anti-theft. 4. Low noise and little vibration. 5.Gear not easy wear. specifications300kg 150W Automatic gate opener motorDJM series rolling door motor is develop base on the demand of market. Widely used in supermaket, warehoue,garage,post,bank,factory etc.. It not only effects on anti-theft but also has action of self-locking and drop protection.Low ...