Multi Code 3070 Multi Code single button mini remote, 300 mhz, 10 switch, keychain style Features: includes battery Test/operate LED Neutral case with fine grain finish Molded-in hole to accept keychain or keyring Supplied velcro strip for visor or dashboard mounting Operates with all Multi-Code receivers and transmitters Power: long-life 12 V battery Frequency: 300 MHz (310 MHz also available) Codes: 1,024 (set by sip switches) Dimensions: 2 x 1.5 x .625 inches