Genuine Merlin 4 button remote that is backwards compatible with Merlin Security+ & Merlin Security+ 2.0 garage door openers. A green LED light will flash when a button is pressed. Easily attaches to car keys for easy access. Perfect replacement for your old Merlin Security+ and Security+2.0 “bear claw” three button keyring remotes (C945 and E945M) and four button keyring remote (E950M). Compatible with: Commander Essential (MS65MYQ), Commander Elite (MS105MYQ), Commander Extreme (MS125MYQ), Silent - Drive Essential (MR655MYQ), Silent - Drive Elite (MR855MYQ), Commander Ultimate (MJ3800MYQ), Commander My - Q, Whisper - Drive, Tilt - Master, Power - Ace, Cyclone - Pro, Over - Drive, Silent - Drive Elite My - Q, Silent - Drive BBU, Silent - Drive Pro, Quiet - Drive Pro, Weather - Drive, MJ3800BBU, MT800, MT600, MT1000, MT3850, MT5580P, MT60P, MT60, MT230, Roller - Ace (MR60), MR600, MR800, MR1000, MJ3800, MJ3800R WARNING! Product contains coin/button cell battery. Keep product and batteries away from children. The battery is hazardous and can cause severe or fatal injuries in 2 hours or less if swallowed or placed inside any part of the body. Seek immediate medical attention if it is suspected that a coin/button cell battery has been swallowed or placed inside any part of the body. *********** WARNING – Keep batteries out of reach of children. Product contains a Button or Coin cell battery. The Battery can cause severe or fatal injuries in 2 hours or less if it is swallowed or placed inside any part of the body. If suspected the battery has been swallowed or otherwise placed inside any part of the body, contact the Australian Poisons Information Centre on 13 11 26 immediately for 24/7 fast, expert advice. *********** | Merlin 4 Button Remote Control Key Ring - For Garage Door Opener