Features: 1Lightweight and Portable: The remote control is small and light easy to carry equipped with a remote control key chain so you do not have to be afraid of losing it. 2High Sensitivity: The remote control has high sensitivity and strong anti interference ability and the wireless transmission distance can reach 100m. 3Wide Application: Used in anti theft systems rolling doors door barriers household appliances water pumps lamps antitheft systems garage doors industrial control and other fields. 4Durable Material: Garage door remote key is made of high quality plastic and aluminum alloy which is strong not easy to rust impact resistant and has a long service life. 5Builtin Battery: Garage door remote key fob comes with builtin 12V alkaline zincmanganese battery for long usage time and more convenience for you. Specification: Item Type: Garage Door Remote KeyMaterial: Plastic + Aluminum AlloyWeight: Approx. 41g/1.4ozWireless Transmission Distance: Approx. 100m/109ydRated Current: 10mAScope of Application: 433MHzApplication: Used in anti theft systems rolling doors door barriers household appliances water pumps lamps anti-theft systems garage doors industrial control and other fields. Package List: 1 x Garage Door Remote Key1 x Key Chain1 x Manual