Features: brand new and high quality The measurement range is wide, the product has a wide measurement range, high resolution and strong practicability. The product uses a large LCD screen, which is very easy to read and easy to use. It has a wide range of applications. It can be used to accurately measure the speed of a lathe in wood and metal processing. Small and light, light weight, hard for shell ABS plastic, beautiful appearance, easy to use. High-precision non-contact digital tachometer, high-speed laser- aiming operation, target- and measurement design for non-contact diagnosis and measurement. Specifications: Material:ABS Size:Approx.7.3x16cm/2.87x6.3inches Color:Gray Model: DT2234 C+ Measurement accuracy: _+(0.05%+1b) Measuring voltage range: 0 (V) Measuring current range: 0 (A) Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Laser- Tachometer 1x Box