Features:
Low voltage design, built-in battery, safe & reliable, with a long service life of 2 to 3 years.
Extensive use: ordinary cars, mini cars, suvs, ordinary racing cars, mini racing cars, & cross-country racing cars, as much as you can consider.
Splash proof & simple installation: induces designed body, just bundled the connect line with the spark, it can work.
High-end function: set the speed mode at will, maintenance function, & system reset.