chamberlain garage door system keychain remote
portable enough for a pocket purse or backpack great for bikers walkers and latch key kids versatile 3 button design works with all chamberlain openers from 1993 to present any chamberlain opener with safety sensors secure coded signal can not be hacked led notification light signals activation and helps with programming easy push button programming sets up in minutes includes battery sku dbdq3971
chamberlain