Feature: 1. It can measure displacement, velocity and acceleration, and frequency parameters. 2. The probe with screw interface is easy to install and the measurement is accurate. 3. The lighting function can effectively ensure the safety of the measurement. 4. Color LCD display, the screen can be flipped to observe data in multiple directions. 5. Made of high quality materials, durable, corrosion resistant and wear resistant. Specification: Item Type: Vibration Meter Material: ABS Color: As shown in the picture Application: Vibration meter Measuring Range: Acceleration: 0.1-199.9m/s² Speed: 0.1-199.9mm /s Displacement: 0.001-1.999mm measurement Accuracy: Vibration Displacement: 0.01-0.02mm, <±10%.> 0.02mm, <±5% Vibration Speed: 0-2.0mm/s<±10%.> 2.0mm/s, <±5% Vibration Acceleration: 0-2.0m/s², <±10%.> 2.0m/s2, ±5% Frequency Range: High Frequency: 1KHz~4KHz (HI) Low Frequency: 10Hz~1KHz (LO) Frequency Range Speed Measurement: 10Hz~1KHz (LO) Frequency Range Displacement Measurement: 10Hz~1KHz (LO) LCD Display: Color display Data Display Interval: The first second Maximum Group Data Storage: 7 groups Power Supply: 1.5V AAAx2 (not included) Temperature Operating Range: 0~40℃ Humidity Range: 30~90% Operating Instructions: MENU: Power button MEAS: is the measurement key, press and hold this button to turn on the measurement LO/HI: upper side SAVE: Downside OK: Confirm key/switch key MEAS: bottom measurement key. Package List: 1 x Vibration Meter(Battery Not Included)1 x Case1 x Probe1 x Instruction Manual