Digital tachometer with Hall sensor and magnet for precise RPM measurement. Features high accuracy, fast response, stable performance, and strong anti-interference capability. Suitable for a wide range of rotational speed measurement applications. Measuring range: 10-9999 RPM Accuracy: 0.1% Voltage: DC 8-24V Current: 30mA Proximity output current: 20mA (sensor) Display refresh rate: >3 times per second Clear time: approximately 10 seconds Detection range: 1 mm to 10 mm Operating temperature: -10°C to 60°C Constructed with durable plastic, electronic components, and magnetic material. Resistant to corrosion and designed for long-term use. Compact size for easy installation. Tachometer dimensions: 7.9 cm x 4.1 cm x 2.1 cm (3.11" x 1.61" x 0.83") Inductor dimensions: 6 cm x 1 cm (2.36" x 0.39") Sensor cable length: 120 cm (47.24") Magnet dimensions: 1 cm x 0.2 cm (0.39" x 0.08") LED display with blue and red digits. Black housing color. Package includes: 1 x Digital tachometer 1 x Hall sensor 1 x Magnet Note: Color may vary slightly due to lighting and screen settings. Slight dimensional variations may occur due to manual measurement.