Keystone Heddolf International C220-1KA 390MHz One Button Garage Door Transmitter

Keystone Heddolf International C220-1KA 390MHz One Button Garage Door Transmitter

The Keystone Heddolf International C220-1KA 390MHz One Button Garage Door Transmitter is compact and very easy to use with its large easy to find button. It is compatible Chamberlain, Liftmaster, Sears brand garage door openers. It has nine dip switches, each with three positions (+/0/-) and operates on a frequency of 390MHz. It comes with a key chain and 9-Volt battery.