Product Description: Overview: Enhance your industrial maintenance toolkit with the Stroboscope LCD Flash Tachometer. Designed for precision and efficiency, this tool allows for accurate non-contact measurement of rotational speed, surface defects, and the state of moving objects. The durable ABS construction and large backlit LCD display make it ideal for use in various environments, including production lines, laboratories, and maintenance facilities. Key Features: Durable Material: Made from high-quality ABS material, ensuring long-lasting durability and stable performance. LCD Display: Features a large, easy-to-read backlit LCD display, providing clear and accurate measurement results even in low-light conditions. High Efficiency: Utilizes digital control to adjust flash frequency with low power consumption and speed storage, enhancing measurement efficiency. Anti-Interference Technology: Adopts photoelectric technology for non-contact measurement, minimizing interference and accurately detecting the state of moving objects and surface defects. Compact and Portable: Lightweight and easy to carry, this stroboscope tachometer is perfect for industrial maintenance, production, laboratories, and more. Detailed Specifications: Item Type: Stroboscope Material: ABS Product Model: DT2239B Measuring Range: 60-19,999 RPM Coarse/Fine Adjustment Amplitude: <1,000 RPM: coarse adjustment 10 RPM, fine adjustment 0.1 RPM 1,000 RPM: coarse adjustment 100 RPM, fine adjustment 1 RPM Accuracy: 0.05% Resolution: <1,000 RPM: 0.1 RPM 1,000 RPM: 1 RPM Battery: 4 x AAA batteries (not included) Package Includes: 1 x Stroboscope (batteries not included) 1 x Manual 1 x Storage Box Notes: Please read the manual carefully before use.