Select the drop-down menu below to choose it as a kit or assembled by our techniciansTiming system for slotcars. Complete kit for 4 lanes with LED sensors and infrared led strip to illuminate the sensors. The whole system is ready for use. The kit can also be used for 2-lane track with two sensors that can be used for intermediate time and/or speed trap. The kit includes: Bistbox kit for 2-4-6 lanes; 4 detection sensors to be positioned under the track; Bistbox sensor connection cable; Arduino module with preloaded software and Bistlap software unlock; 10A relay module; 35 cm Led strip. Not included in the kit: Bridge to install the led strip, power supply for the led strip and usb cable for pc-bistbox connection.