Compatible with EasyLap & Robitronic Lap Counter system.
Smaller volume.(H1.3XW1.2XL0.5CM) 16% smaller than Robitronic,with Trans-Orange Case.
Stable, low failure rate.
Multi Connection to 1:27 RC car 

Can Use for indoor RC 
Kyosho 1:27 MiniZ 
Atomic GL-Racing