Function: 1. Compact Size: The garage door opener is small and lightweight, can be carried around, more convenient and practical. 2. Excellent Performance: The remote control transmitter has high sensitivity and strong anti-interference ability, stable and reliable, long-term use. 3. Simple operation: The operation is simple, please refer to the user manual to set up and use, save your time and energy. 4. Wide Range: Approx. The range of 100m/109.36yd allows you to operate the garage door opener, the appropriate range is 868MHz. 5. Multi-purpose: The remote control switch can be used in anti-theft alarm, curtain door, household appliances, garage door and industrial security and other fields. Specification: Item Type: Garage Door Remote Control Material: plastic, aluminum alloy Weight: Approx. 31g/1.09oz Wireless Transmission Distance: Approx. 100m/109.36yd Rated current: 10mA Application range: 868mhz Battery model: CR2032 x1 button battery, battery voltage: 3V, battery capacity: 210mAh (comes with built-in battery) Scope of application: remote control switch, anti-theft alarm, remote door lock, remote electric shutter doors and windows, wireless remote garage door, wireless remote roller door, wireless remote channel gate, water pump remote control, industrial control products Package List: 1 x garage door opener 1 x hanger 1 x User Manual Please refer to the user manual for information on setting up and use.