1. Waterproof design2. Built-in battery power supply， safe and reliable3. Sensor design， simply tied onto the plug cable can operate4. Track the service life of your vehicle-oil changes，valve，adjustments， plugs，etc.5. Easy installation-peel & stick， no wiring necessary，or attach with enclosed hardware6. Works on any gas engine7. Records and displays to 9，999.9 hours.8. Hour glass symbol appears and flashes on / off to indicate counting time.9. Automatic roll over10. 1.0inch LCD screen display11. Waterproof materialSpecification:Resolution: 0.1 hourType: Electronic GadgetsTemperature: -30 Degree ~ 85 DegreeDimensions: 2.13 in x 1.46 in x 0.59 in (5.4cm x 3.7cm x 1.5cm)Compatibility:All motorcycle modelsHardware Included: Meter， pick-up wire， two screwsTools Required: 2.Smm socket to remove shroud， wire cutters.