Infra Red Racing Lap TimerIntroducing the Onboard TV infra red lap timer, a must have accessory for motorsports enthusiasts. Complete kit with IR beacon to trigger the timer at the start finish line, and a LCD receiver mounted on your vehicle which will give you instant lap time information as soon as you cross the line. View your current lap time, lap number, and fastest lap for your session. Note: The only lap timer in the industry with a 2 Year warranty.