LiftMaster 890max Mini Key Chain Garage Door Opener Remote, 2.5" Long x 1.25" Wide x 1/2" Thick, Black with Gray Buttons - Garage Door Remote Controls - Amazon.com
Universal Garage Remote with Keychain Works Chamberlain Liftmaster Craftsman Linear Opener with Purple/Orange/Red/Yellow/Green Learn Button and 310/315/390mhz,Easy to Carry,1pc - Amazon.com
Liftmaster Passport CPTK-1 One Button Keychain Chamberlain Garage Door and Gate Opener Remote
Skylink Universal 3-Button Keychain Garage Door Opener Remote in the Garage Door Opener Remotes department at Lowes.com