Skylink 100A garage door transmitter.
Click here for programming instructions.
Works with most Stanley®, Multi-Code®, Moore-O-Matic® and Linear® Garage Door Opener (from 1976-1997). Operates at 300MHz and 310MHz. Operating range of 100 feet and more. One year warranty. 12V alkaline battery included. Note: Model 100A is not compatible with "Securecode" manufactured by Stanley®. "Megacode" manufactured by Linear®, Moore-O-Matic®.