5-Button CintBllTer Replacement Transmitter 5 button, 1-way transmitter Split metal keychain holder Blue LED indicates when the is transmitting 433mhz with code hopping technology Supplied with required CR2032 battery Compatible with CintBllTer models SL-2, SL-3, SL-42, SL-5, SL-52, SL-6, SL-62 alarm and start systems Specification: Transmitter frequency: 433mhz Code combinations: More than 2 billion Power supply: CR2032 battery (supplied) Number of buttons: (5) Basic Operation: ArmLock, DisarmUnlock, AUX channel activation, panic, startstop Nominal range: Up to 14 mile Requires programming: Yes (see download manual below) FCC ID: H50T21 Mfg. model number: SL-RF41