CHAMBERLAIN 956EV GARAGE KEYCHAIN REMOTE PORTABLE REMOTE FITS IN POCKETS, PURSES OR BACKPACKS VERSATILE 3-BUTTON DESIGN SECURE CODED SIGNAL LED NOTIFICATION LIGHT SIGNALS ACTIVATION & HELPS WITH PROGRAMMING EASY PUSH-BUTTON PROGRAMMING COMPATIBLE WITH ANY CHAMBERLAIN(R) REMOTE WITH SAFETY SENSORS FROM 1993 TO PRESENT INCLUDES BATTERY & VEHICLE VISOR CLIP