100% compatible with Chamberlain, Liftmaster, Motorlift remote controls: 84330E, 84335E/EML, 94333E/EML, 94334E, 94335E/EML, 9747E, WICKES156105, 1A5639-7, 1A5477, etc. (See full list below) 100% compatible with Merlin + remote controls: C840, C940, C943, C945, CM842, CM844, CM128. MERLIN + Garage Door Openers: Merlin HE60, MGA600, MGL300, MGL400, MGS500, MGS500T, MGS000, Merlin MGS 1000T, MJ3800, MJ3800R, ML500, ML700, etc. (See full list below) Supports 3 garage doors + Green LED indicator - This garage door remote control is a replacement remote control, not an original accessory. It can control up to 3 garage doors or gates + rolling code technology to protect your home's access and connection. Durable, good quality materials Mini simple remote control - It is small enough to fit well on a keychain, bag, backpack and is easy to carry with a metal keychain when you go out. We integrate \"customer satisfaction\" into every service detail and offer full after-sales support to ensure your peace of mind, from purchase to use.