Double side manual opening bar of KENVO aluminum roller shutter door

KENVO DOOR develop a new manual opening bar device for Aluminum roller shutter door.

In the market, it is easy to find a regular manual swing bar which can be used inside room to open the Automatic Roller Shutter Door by manual hand when there is power failure or motor faults. But, what will happen if you can not get into the house. For example, there is no other doors in your house or warehouse. In such case, you can not get access to inside manual bar device, to open the door.

KENVO DOOR recently develop a new manual opening bar which can be operated at both inside and outside room. At the outside, there will be a lock on the wall surface to avoid any other people get access to the manual device. When your aluminum roller shutter door or garage door get into power failure, you can take out the key and release the lock, then use manual bar to roll the door up and down easily.