Mychron 4 Gauge.

Get more from your MyChron4 without the need to connect to a laptop, as you view power curves and RPM histograms right on the display. Replay your entire racing session as soon as you get off the track.There’s more to the MyChron4 than just a pretty face. Check out these advanced features: - Two configurable LED alarms - Configurable Shift light LED that the Quarter Midget racer can use to pin point a given RPM point on the race track, great for nailing down the right gear - Intuitive menu design for easy configuration - Automatic start - Long battery life (up to 200 hours with an internal 9V battery) - 1 MB memory