Feature: 1. High Accuracy: This vibrometer adopts high sensibility vibration sensor to measure accurately, and can do acceleration, velocity and displacement measurement at the same time. 2. Easy To Install: This vibration meter utilizes magnetic probes (short probe, long probe) with helical interfaces, making it easy to install and remove, and suitable for a wide range of measurement conditions. 3. Excellent ABS Material: This digital vibration tester is made of excellent ABS material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 4. Wide Application: This vibrometer gauge has a wide range of applications and can be used in machinery manufacturing, power metallurgy, general aerospace and other fields. 5. Compact And Portable: This digital vibration meter is small in size and light in weight, which makes it very convenient to carry around and use. Specification: Item Type: Vibration Meter Material: ABS Battery Type: 9V Battery x 1 (Shipped With Matching Battery) Battery Capacity: 565mah Acceleration: 0.1-199.9m/s² Speed: 0.1-199.9mm/s Displacement: 0.001-1.999mm Measurement Accuracy: ±5%±2 Digits Acceleration Measurement Frequency Range: 10Hz-1kHz (LO), 1kHz-15kHz (HI) Velocity Measurement Frequency Range: 10Hz-1kHz (LO) Displacement Measurement Frequency Range: 10Hz-1kHz(LO) Display Update Period: 1 Auto Power Off: Automatically Power Off After 60s Low Battery Alert: Yes. Package List: 1 x Vibration Meter1 x Long Needle1 x Battery1 x Manual1 x Carrying Case