Features: 1.Show both engine RPM and hours of operation 2.LCD screen display showing data clearly 3.Reads up to 60,000 RPM 4.Includes internal battery, no power connection required 5.Easy installation, suitable for 2/4 Stroke Engines, RC Toys, PWC, ATV, Motorcycles, Marine Engines, Chain Saws, Tractors, Lawnmowers, and gas powered tools Specification: Description: _x000D_ This digital Tach/Hour Meter will keep track of engine RPMs and running time for all types of gasoline powered engines. Powered by an internal lithium battery so no external power connections are required. You will wrap the RPM wire around the spark plug. The Tach/Hour Meter is activated by the spark of the engine. _x000D_ _x000D_ _x000D_ Features: _x000D_ Show both engine RPM and hours of operation._x000D_ _x000D_ LCD screen display showing data clearly._x000D_ _x000D_ Reads up to 60,000 RPM._x000D_ _x000D_ Includes internal battery, no power connection required._x000D_ _x000D_ Easy installation, suitable for 2/4 Stroke Engines, RC Toys, PWC, ATV, Motorcycles, Marine Engines, Chain Saws, Tractors, Lawnmowers, and gas powered tools._x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Plastic _x000D_ Color: Black _x000D_ Display: LCD Digital _x000D_ Power Supply: Internal Battery(CR2430) _x000D_ Waterproof Grade: IP68 _x000D_ Package Weight: approx. 85g _x000D_ Fitment: for 2/4 Stroke Engines, RC Toys, PWC, ATV, Motorcycles, Marine Engines, Chain Saws, Tractors, Lawnmowers, and gas powered tools. _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 1 x Tach/Hour Meter with Wire _x000D_ 2 x Zip Cable Tie _x000D_ _x000D_ _x000D_ Note: _x000D_ It is easy to install, but professional installation is highly recommended. PackageList: