Dear businessman: 1. The timer is completely waterproof 2. Concentrate on all gasoline engines 3. Inductive design, only need to click the connecting wire on the spark plug to work 4. The large timing range is: 9999.9 hours 5. LCD display 6. Low voltage design, built-in battery power supply, safe and reliable 7. Blister paper card packaging, beautiful appearance and high grade 8. The product is used on diesel engines 9. LOGO can be customized by OEM Feature: 1. Long-lasting power: low-voltage design, built-in battery, safe and reliable, long service life of 2 to 3 years. 2. Widelyused: ordinary cars, mini cars, off-road vehicles, ordinary racing, micro-racing, off-road racing, you can think of it. 3. Waterproof design, waterproof rating ip68. Description: Easy to install: inductive design, just touch the engine to sense, adhesive or screw fixed. Specifications: Color: orange,red,black,green,blue,yellow Material: plastic Battery: 60mAh Voltage: 3 (V) Power: 0.001 (W) The maximum timing range: 9999.9 hours Packaging: blister paper card, neutral no logo Display screen: LCD screen display Battery life: 2-3 years Applicable models: General and various gasoline motorcycle types Package Included: 1 x Hour Meter 1 x Cable 2 x Screws Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to different personal measuring techniques, there might be 1-3cm error of the physical. Thank you!