Digi-Code DC5010 One Button Remote Control 300MHz Keychain Style

1 Button Keychain Transmitter. Complete with LED to show the strength of your 12-Volt alkaline battery, this portable transmitter offers 1,024 codes and operates at a full distance range. Its handsome neutral colored, fine grained finished case and molded-in hole to accept your keyring or chain will add to the ease of using this keychain transmitter.