LiftMaster L504AL 4ft 8.2K Monitored Resistive Safety Edge

Factory Assembled Monitored Resistive Standard Edges in Aluminum Channel Ideal for swing and slide commercial and residential gate applications to protect entrapment zones. Large Profile Dimensions: 1.8" H x 1" W Large Profile Edge 4 ft. (L504AL) Large Profile Edge 5 ft. (L505AL) Large Profile Edge 6 ft. (L506AL) Small Profile Dimensions: 1.2" H x 1" W Small Profile Edge 4 ft. (S504AL) Small Profile Edge 5 ft. (S505AL) Small Profile Edge 6 ft. (S506AL) Warranty: Two Years