2) The previous products use with Rv50 reducer and added the splint to compose the movement. The worm gear is a consumable product. After using a long time, there will be a large gap, the pole will be not stable and shake so will cause the gear reducer to grind.
3)The products mainly used with AC 220V motor, the fixed speed was not adjustable.
4) Open structure, a low degree of protection, easy to enter water.
5) AC220V.
6) During installation, needs to adjusted the magnet position to ensure the door opening angle. After a long time, the shaking will affect the limit position or the pole may be deviated downwards.