LATNEX is proud to present the new HM-400 Multifunction Digital Hour Meter. It has 3 main theme display modes: Hours theme display, Distance theme display, Engine RPM display, as well as some other unique functionality design. 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 etc. The distance theme display includes: Record total mileage ODO and mileage TRP; Driving target mileage TAR and maintenance reminders,oil filter change timing, air filter change timing, spark plug change timing, oil change timing, voltage measurement, temperature measurement, speed measurement etc. 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 etc. The device is easy installed and has a waterproof rate IP67. Product Size 188x66x22mm Display Screen LCD External Power Range DC6-60V Recharging Current