Features 1. Wide Application: Suitable for short and long distance wireless switching applications including lifts, boats, electric curtains, roller blinds, garage door openers, cars, trucks, RVs, generators, electric door locks, windows, and manual switch extenders. 2. Easy Operation: Simple to install and program within minutes. Wireless programming enables quick setup and eliminates the need for electrical connections on the garage door opener side. 3. Design: The 3-button switch is compact and portable, designed to fit in your pocket or clip onto your vehicles visor for convenient control of your garage door. 4. Durability: Features a robust housing, lightweight construction, and resistance to wear and impact. 5. Reliable Performance: Offers long battery life, high accuracy, stable operation, and has passed strict quality testing for dependable use. Specification Item Type: Garage Door Wireless Button Switch Material: ABS Battery Model: 12V 23A x 1 (one battery per remote control) (included) Battery Capacity: 50mAh Remote Control Frequency: 433MHz Application: Rolling doors, garage doors, telescopic doors, electric curtains, and similar devices. Package List 3 x Garage Door Wireless Button Switches