Tachometer for Small Engine, Inductive Hour Meter Keep track of your small engine's performance and maintenance intervals with the Tachometer and Inductive Hour Meter. This versatile device is suitable for 2 Stroke & 4 Stroke gasoline engines including chainsaws, marine engines, ATVs, motorcycles, and more. Key Features: Replaceable Battery: Built-in battery with a lifespan of 35,000 hours; easily replaceable. RPM and Hours: Displays engine RPM and total hours of operation (up to 99,999 RPM). Track Service Life: Monitor maintenance tasks such as oil changes, valve adjustments, and spark plug replacements. Waterproof Design: Suitable for use in various weather conditions. Easy Installation: Simple setup process with a large LCD display for easy reading. Description: The Inductive Hour Meter includes a replaceable battery and can track both engine RPM and total hours of operation. Designed for easy installation and features a large, waterproof LCD display for clear visibility. Perfect for monitoring the service life of 2 Stroke & 4 Stroke gasoline engines in a variety of vehicles and equipment. Note: Activate the meter by pressing the S1 and S2 buttons together after installation. Refer to the user manual for detailed activation instructions. Package Includes: 1 x Engine hour meter 1 x Fixed Wire (1.9m) 2 x Screws 1 x English User Manual