Need help with developing pinewood derby car winning designs? Or need to make a science fair project or use a timer for industrial measurement? The DT1000 is perfect for developing your car, science fair projects and measuring fast moving objects. It times 1 lane and can be used to run practice runs and determine what sorts of changes need to be made on the car. Great for basement / workshop situations or for groups that are small and have a 1-lane track. The DT1000 can be upgraded to a DT2000 (2 lanes) or DT8000 (8 lanes). Includes start switch with 40 foot cable, 1 stop sensor with 10 foot cable, battery, manual, cable mounts, and ties. You must provide a light source at the finish line for this timer.