100 % compatible with Chamberlain, Liftmaster, Motorlift Remote controls: Chamberlain, Liftmaster, Motorlift remote controls: 84330e, 84335e/EML, 94333e/EML, 94334e, 94335e/EML, 9747e, wickes156105, 1a5639- .A5477, etc. (Check the full list below) 100% compatible with Merlin + remote controls: C840, C940, C943, C945, CM842, CM844, CM128. MERLIN + door opener: Merlin HE60, MGA600, MGL300, MGL400, MGS500, MGS500T, MGS000, Merlin MGS 1000T, MJ3800, MJ3800R, ML500, ML700, etc. (Check full list below) Supports 3 Garage Doors + Green LED Light - This garage door remote is an aftermarket remote, not an original accessory. It can control up to 3 garage door openers or gates + rolling code technology to protect your home access and connection. Durable and well-crafted materials Simple mini remote - It's quite small to fit well on a key ring, bag, backpack and easy to carry with a metal keychain when you go outside. 802-Perfect after-sales service: If you have any quality issues or do not like it after receiving it, please contact us and we provide free return and exchange services.