Features: Ensures the family and property with the 41A5034 Garage Door Sensors Replacement, upgrades for any Liftmasters or garage door opener post. This sensors set features easy installation, sturdy stainless steel materials, and includes both sending and receiving sensors with indicators for foolproof setups. For homeowners to maintain or enhances their garage door security systems, this sensors replacement. For use in residential garages, the Sensors ensures garage door reverses automatically if obstruction is detected, preventing accidents. Upgrades your garage door systems with our Safety Sensors Set, with mounting brackets and detailed instructions for experience. Specifications: Component: Stainless Steel Size: Mixed Color: As Picture Show Package Includes: 1pc Garage Door Sensors Set note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.