Fortin 1-way RF Kit with (2) 1-Button RemotesPart of the EVO 4 SERIES, the 1-way RFK441 RF kit is based on an FM 433 MHz communication platform. Its 4-button RM441 long-range remote controlers operate over a distance of up to 2,500 feet (760 meters). Outfitted with our FMH Fortin Antenna, which is equipped with a programming button and a clear blue LED indicator, this long-range RF kit is compatible with cold weather timer as well as with trunk, auxiliary and valet control. With the RFK441 RF kit, you get attractiveness combined with true start, stop, lock, unlock functions and MoreCE, IC and FCC certified with EVO-ONE and EVO-ALLFast and easy installation