Heddolf M219-1K One Button Mini-Garage Door Transmitter
The Keystone Heddolf P220-1KA One Button Gate & Garage Door Remote is compact and very easy to use with its large easy to find button. It is compatible with Allstar and GTO/Mighty Mule remotes and receivers and several Linear Multi-Code remotes and receivers. This remote is small enough to keep in your purse, pocket or can be conveniently attached to a key chain. It has nine dip switches, each with three positions (+/0/-) and operates on a frequency of 318MHz. It comes with a key chain and 12-Volt battery.