Features: 1.Multi Purpose: Electric rolling shutter door controller is widely used, can be used for lights, ceiling fans, garage door openers, doors, etc. 2.High Security: The system ensures that every click will send a security code to your garage door opener, safer to use and protect your home 3.Multi Function: Electric roller shutter garage door controller can be easily programmed to directly control garage door openers and lights. 4.Wall Mount: The garage door controller can be easily installed in the garage to open the garage door through the access door. 5.Scope of Application: Garage door controller is suitable for rolling shutter doors, garage doors, retractable doors, electric curtains, etc. Specification: Item Type: Garage Door Controller Material: ABS Battery Model: 12V 23A x 1 (one battery per remote control) (built in battery) Battery Capacity: 60mAH Chinese Standard Plug: 220V Scope of Application: Rolling shutter doors, garage doors, retractable doors, electric curtains, etc. Note: Dear customer, Please rest assured to buy without worrying about the plug adaption. We will provide an adapter for you according to different country standard and ensures its normal use.