Stanley Key Chain 2-Channel Transmitter
The 2-Channel keychain transmitters are portable transmitters designed for automatic door and gate operator applications that will send a signal to a receiver after pressing any of the buttons These transmitters have a red test/operate indicator and are powered by a 12-volt battery. A molded-in hole in the case is for attaching the transmitter to a key ring. Here's a list of its main features:
These transmitters are Multi-Code format with one 10-position coding switch providing 1,024 possible codes. These transmitters will only activate receivers set with the same code


