This is the tach to have in the dirt world, including sprints, and is coming on strong in asphalt. QuickTach features include:

• .75 x 1.75 Digital Display
• Aluminum Waterproof Case
• Mounting brackets
• Backlight that comes on when the engine is shut down and auto-off to conserve battery life.
• Highest RPM display automatically for 15 minutes when engine is shut down.
• Tach automatically clears and comes back on when engine is re-fired.
• Reset button for those times when you want to reset during a run.
• Self powered by a 9V battery
• Low battery indicator to monitor your 9V power supply.