Secure Code mini keychain remote control transmitter clickerRemote models 3353,49477,1698, 102 899, 3049, 5901, 5902, 5908, 5909, TR300, 49438, 49439,49476, 49541,49663, 370-3352Easy one touch programming 3 button remote control transmitter can operate 3 seperate SecureCode garage door opener units.Battery Included, Key Ring Included, Easy to Follow Programming Instructions are included, Dimensions - 1 3/8" x 2 1/8"