Double Range Transmitter

This infra-red transmitter mounts at trackside and automatically triggers the Hot Lap In-Car Timer with 100% accuracy each and every lap - no 'thumb' errors. Use the Double Range transmitter where access to the edge of the track is limited. Double range transmitter works up to 120 feet.
This is the replacement transmitter for the Hot Lap System.  To purchase a complete Hot Lap System, see 21705 and 21706.