Transmission distance between 50 and 100 meters (open space) Material garage door controls are made of durable materials and metal for long service life.The free button battery is installed in the device for added convenience.This practice gives you a new remote control experience and many conveniences in your daily life.Suitable for 432na garage door cam roof, electric door, gate, garage door and anti-theft blade, etc.[wide use]: garage door remote control is suitable for cars, garage doors, gates, skylights, car/motorcycle alarms, home security products, short-term wireless remote control productsrange, electrical appliances/home automation lighting, industrial control products, etc.Our packaging is well packaged, please rest assured to buy, any questions, please contact us