Features: *100 high-quality material: Made of high-quality material, not easy to break, can be used for a long time, sturdy and durable. *Wide Compatibility: The sensor beam kit is compatible with most garage door openers on the market. *Safe and reliable: The safety sensor connects the rays at the left and right ends of the garage door. When there are people or objects on the garage door, the light is blocked, at this time your garage door cannot be closed to protectiing your or property safety. *Easy to install: The sensor design is compact and convenient. Our product comes with an installation manual and the fixing required for installation. One person can do the installation manually, saving you the installation costs. *If you have any questions, please contact us in time. We will provide you with better products and services. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Plastic Size: 11*7*4cm Package List: 1 set x Infrared Safety Sensor