ADVANCE FEATURES Driver: The driver case is made of Aluminium-Alloy by casting die and has good sealent. Two step worm give the Drive a large Torque of Output and lower noise. There is a frictional clutch in it to prevent the overload of the Driver and DC motor. Electric Control Box: The working command of the Driver is coming from the buttons on the Electric Control Box or the transmit. There are three buttons on it and the irrespective three components - Open, Close and Stop. The protection system can be protected the men and other things which just through the door of overloaded with the DC motor. Remote Controller: The Remote Controller can be divided in teo parts- Transmitter and receiver. Only the variable cryptographics are the same in the transmit and receiver and distance is less than 100m. There are 1024 variable cipher code to choose from. Electric Lock: The command had no sooner reached the Electric Control Box and the Electric Lock than door began to move. If the powers fail, you can use the key to open the electric lock