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Description: It can work on any 2 or 4 stroke gas engine This hour meter record gasoline engines total running hours & RPM by getting the induction from spark plug cable. This can be used on top of the tachometer at different engine & machines. It is the ideal rev counter for motorcycle, ATV, PWC, , Paramotors, Microlights, Marine Engines
- Inboard & Outboard. Also use for Pumps, Generators, Mowers, Model Boats, Motor Cycles, Scooters, Cleaners & Chainsaws.- Multifunction hour meter tachometer voltmeter with Colck for Any Gasoline Engine.- When engine is on, display current RPM, when engine is off, display total running hours, Max RPM recall- Maintenance reminder service, user can set it from 0 hours to 200 hours. RPM refresh can be set 0.5s or 1s- Records & Green backlight Displays to 99999 hours/30000 RPM, Partial hours can be reset to zero.- Easy Installation. No Battery Required
- connects to spark plug wire, Battery can be replaceable. Waterproof IP68 Package Included:1 X Motorcycle Tachometer

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Feature: Comes with calibration function, detection accuracy is higher. Detection of diesel engine oil, gasoline engine oil, by testing the oil acid, carbon deposition & moisture, other impurities. With ten lights to accurately mark the quality of the oil. The equipment is small & easy to carry. Specification:
Colour: Red Power Supply: 2x 3V CR2032 button battery
Size: 83*53*13mm Type: Oil detector Relative Humidity:80% Instruction: Select engine type GAS or DSL (diesel). Slide power switch ON. Place oil on sensor to fill line. Press OIL TEST button. Observe oil quality indicator lights. Package Included:1 X Engine Oil Quality Detector

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