1pcs New Inductive Digital Hour Meter Waterproof LCD Display for Bike Motorcycle ATV Snowmobile Marine Boat Ski Dirt Gas Engine - Red 2. Type : Waterproof timer3. Material: ABS4. Size: 7.6 x 10 x 1.5cm5. Color: Red Black6. Track the service life of vehicle-oil changs, valve, adjustments, spark plugs, etc.7. Easy to install , Peel and stick8. No battery needed - connect to spark plug wire9. Works on Any Gas Engine , Record and display to 9,999.9 hours10. Hour glass symbol appears and flashes on/off to indicate counting time11. Automatic roll over , Resolution: 0.1 hour12. 100% epoxy encapsulated casing resists water, shock, stand fire of 85C