storetemplate-geoliftmaster-discontinued-security-productsLiftMaster 041d7924-1 Additional Garage Door Sensor for 821LM Retrofit, GEOARM SecurityNot Set1https://s.turbifycdn.com/aah/yhst-51756635596032/liftmaster-041d7924-1-additional-garage-door-sensor-for-821lm-retrofit-71.pnghttps://s.turbifycdn.com/aah/yhst-51756635596032/liftmaster-041d7924-1-additional-garage-door-sensor-for-821lm-retrofit-72.pnghttps://s.turbifycdn.com/aah/yhst-51756635596032/img-2265254.png