Important Information Material: Magnet Packaging Size: 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.) Overview: This is a sensor with Hall effect The digital tachometer with magnets has the characteristics of high precision, fast response, good stability and strong anti-interference ability. You will find a digital tachometer with a measurement range of 10-9999RPM, an 8-24V power supply, and a 30mA current. It 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. Note: Due to different lighting and screen settings, the color of the item may be slightly different from the picture. Please allow slight size differences due to different manual measurements. Specifications: 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 Working temperature: -10 to 60 degrees Celsius Features: High accuracy, wide application, easy to install Package content: 1 x vehicle speed Table 1 x Hall Sensor 1 x Manet