Compact RPM and runtime recorder for mechanical equipment. Designed for simple installation, reliable data capture, and durable operation in demanding conditions. Key benefits Easy installation: No battery required for installation. Connect the device to the spark plug wire and secure it with screws or cable ties for a quick, hassle setup. recording capacity: Records up to .9 hours, supports a maximum rpm range of 9, and offers standby time over 20000 hours for long monitoring intervals. Durable construction: Molded ABS housing with an encapsulated cover provides shock resistance and reliable performance. Rated to withstand temperatures up to 85 C for long term use. Wide compatibility: Works with a variety of mechanical equipment, making it a practical tool for maintenance and monitoring across applications. Features and attributes Function: Captures runtime and rpm data to help monitor engine performance and usage patterns. Compatibility: Suitable for generators, vibrators, lawn mowers, motorcycles, construction vehicles, and similar small to medium engines. Material and protection: ABS body with encapsulated cover; shockproof design protects internal components from vibration and impact. Performance: Designed for extended standby periods and consistent rpm measurement within the specified range. Practical use scenarios Generator maintenance on a construction site: Mount on the generator, connect to the spark plug wire, and record operating hours and rpm to plan service intervals and track usage. Lawn mower fleet management: Install on multiple machines to monitor runtime and engine behavior, helping prioritize maintenance and reduce unexpected downtime. Motorcycle or small engine diagnostics: Use during riding or field testing to log rpm patterns and operating time for troubleshooting or performance checks. What you get A compact, easytomount rpm and runtime recorder built from ABS with an encapsulated cover for shock resistance and temperature durability up to 85 C. Simple wiring to the spark plug wire and flexible mounting options via screws or cable ties. Long standby capability and recording designed to support extended monitoring tasks. This device provides straightforward installation, robust construction, and practical recording features for a range of mechanical equipment, helping users track engine use and schedule maintenance more effectively.