HOUR METER UNIVERSAL - The hour meter is a universal device - it is compatible with all 2- and 4-piston internal combustion engines. The hour meter can be used in e.g. motorcycles, lawn mowers, ATVs, electric generators, scooters, etc. PRACTICAL - The engine hour meter measures the engine speed with high sensitivity, allowing precise control of its wear and the wear of its components. The measurement accuracy is 0.1 hour and the measurement range is up to 9999.9 hours. DURABLE - the engine hour counter is very solid and durable, which increases its operational capabilities. This counter is not only shockproof but also waterproof, In addition, it can be used in temperatures up to 85°C. SERVICE MODE + RESET FUNCTION + RPM MEASUREMENT - IN SERVICE mode, you can set the countdown of the time remaining until the next visit to the mechanic. The RESET function allows you to reset the counter if it needs to be connected to another device or repair. The counter can also act as an independent rev counter (RPM). SPECIFICATION - measuring range: 9999.9 h; Measurement accuracy: 0.1 h; waterproof; shockproof; max. Working temperature: 85°C; for all 2- and 4-piston internal combustion engines; Dimensions: 7.5 x 4.5 x 2cm; cable length: 185cm; Weight: 53g; Weight in the package: 69g. SPECIFICATION measuring range: 9999.9h Measurement accuracy: 0.1h Waterproof; Shockproof max. Working temperature: 85°C for all 2- and 4-piston internal combustion engines Dimensions: 7.5 x 4.5 x 2cm Cable length: 185cm Weight: 53g Weight in the package: 69g BENEFITS built-in battery turns on automatically when the engine is started Displays the number of engine hours when the engine is switched off Useful in checking service activities easy and quick assembly English instruction manual included suitable for 2T and 4T engines Speed range 0-9999.9 waterproof and shockproof Service mode Reset function Tachometer ADDITIONAL FUNCTIONS S1 - VA COUNTER Press and hold the S1 button. The display shows 01 (spark plug lights up twice per revolution) 02 (once per revolution) 03 (every other revolution) 04 (hour only, does not show revolutions per minute). Once you have found the correct spark plug pattern, release the S1 button. The display will flash for 8-10 seconds and then return to total hour counter mode. The default model value is 02. S2 – SERVICE MODE Press the S2 button for 4 seconds. The first digit on the right flashes and the SERVIS icon appears. Press and hold the S1 button to automatically increase the flashing number. Once you have reached the desired number, release the S1 button. Repeat the operation until the service interval is set. S1+S2 - RESET FUNCTION