The Engine Tachometer Timer is a must-have accessory for every small engine equipment enthusiast. This reliable device monitors and alerts you to the revolutions per minute (RPM) of generators, tractors, excavators, and lawnmowers, supporting both 12V and 36V DC. Its operation is simple and straightforward. Attach the sensor to the engine's crank shaft, connect it to the timer, and then attach the timer to your vehicle or equipment. Once setup, it displays your engine's RPM in real-time, giving you instant access to critical data for efficient and safe operation. The timer also features customizable alarms, allowing you to set alerts for specific RPM ranges. This feature ensures you never miss a shift change, oil change, or any other maintenance task. The Engine Tachometer Timer combines functionality, ease of use, and affordability into one compact and reliable package. Experience the power of precision and convenience with this essential tool for your small engine equipment.