Fusion 1600 Driver ScannerOnly It is preprogrammed with1,600 channels for frequenciesbetween 450-470 MHz, and willallow you to manually scanthrough the channels, 1 or 100at a time, to the channel thatyou want to monitor. Or youhave the option of finding adriver's channel by simplyfollowing the easy to readchannel chart. Channel chartsare updated weekly and areavailable on our website or attrackside locations. It isdesigned to listen to onedriver at a time. You can saveyour favorite driver to thedefault channel. It utilizesthe industry std 3.5 mm jack,allowing the use of a headset.Each RACEceiver Fusion 1600package contains a RACEceiver,holster, one AAA battery. Itis a must for drivers since itallows race officials tobroadcast directly to driversfor safety and efficiencypurposes without having thedrivers talk back.