Liftmaster 880lm Smart Control Panel IMPORTANT NOTE: Please refer to the images for troubleshooting and contact the manufacturer / seller Menu-driven panel gives you complete compatibility with Lift Master Security+ 2.0 Garage Door Openers. Easily view inside garage temperature, time and system diagnostics Equipped with the maintenance alert system to help keep your system in peak working order IMPORTANT: Compatible only with LiftMaster Security+ 2.0 Garage Door Openers - Yellow Learn Button on Garage Opener