RacingPowerSports Multifunction Digital Hour Meter Tachometer: Product Description:: RacingPowerSports is proud to present the new RL-HM400 Multifunction Digital Hour Meter. The Multifunction Digital Hour Meter is a self powered engine tachometer, speed meter with voltmeter, service reminder and gauge thermometer all in one. It works excellent for Marine, Snowmobile, Dirt Bike and Motorcycle applications. It has 3 main theme display mode: Hours theme display, Distance theme display, engine RPM display, plus it is easily installed with included bracket and waterproof Rated IP67. The hours theme display includes: TOT timing, Partial timing, oil filter change timing, air filter change timing, spark plug change timing, oil change timing , voltage measurement, temperature measurement, speed measurement, just to name a few. The distance theme display includes: Record total mileage ODO and mileage TRP; driving target mileage; TAR and maintenance reminder; oil filter change timing; air filter change timing; spark plug change timing; oil change timing; voltage measurement; temperature measurement; speed measurement, just to name a few. The engine RPM display includes: measuring current driving speed: MAX speed and AVG speed record; speed reminder and set; voltage measurement; temperature measurement; speed measurement, just to name a few. Product Specifications:: Product Size: 118x68x22 Display Screen: LCD External Power Range: