Tachometer instrument is compact and durable, widely used. 4 Digital LED display tachometer RPM Speedometer suitable for excavator Specifications: This digital tachometer is equipped with Hall sensor and magnet, which has high accuracy, fast response, good stability and strong anti-interference ability. Features. With a measuring range of 10-9999RPM, power supply of 8-24V, and current of 30mA, the digital tachometer has a standard size appearance and is easy to install and use. It is made of plastic, electronic components and magnet materials, making it durable and corrosion-resistant. The tachometer measures 7.9 cm in length, 4.1 cm in width and 2.1 cm in height. The length of the inductor is 6 cm and the width is 1 cm. The length of the sensor cable is 120 cm. The length of the magnet is 1 cm and the width is 0.2 cm. This digital tachometer can be used in a variety of applications for RPM speed measurement. Product name: Vehicle tachometer Material: Magnet Appearance color: Black LED Color: Blue, Red Display mode: LED Display voltage: DC8-24V Current: 30mA Proximity output current: 20mA (for sensor) Measuring range: 10-9999RPM Accuracy : 0.1% Clear time: about 10 seconds Display refresh rate: >3 times/second Detection range: 1 mm-10 mm Operating temperature: -10 to 60 degrees Celsius Features: High accuracy, wide application, easy to install Dimensions details: Tachometer size : 7.9cm x 4.1cm x 2.1cm/3.11" x 1.61" x 0.83" (approx.) Inductor size: 6cm x 1cm/2.36" x 0.39" (approx.) Sensor cable length: 120cm/47.24" (approx.) Magnet size : 1cm x 0.2cm/0.39" x 0.08" (Approx.) Note: Due to light and screen settings differences, the color of the item may be slightly different from the picture. Please allow slight size differences due to different manual measurements. Package Includes: 1. x Vehicle Tachometer 1 x Hall Sensor 1 x Manet