and upgraded single-group/three-group data display switch, flexible and switchable single-group/factory group data one-screen display interface brings you more intuitive measurement experience The double measurement keys are more intimate and professional. This change allows you to better control the direction and contact the measured object when measuring from various angles. The work is more convenient. The flashlight lighting is used to measure the safety in the dark. The vibration meter usually has a certain dangerous lighting function when measuring, which can effectively ensure the safety during measurement Model:SW65A Measuring range:0-199 Frequency range:10HZ-10KHZ Measurement accuracy:+-5% Colour:As Shown Material:ABS Package Contents: 1set * SW65A Digital Vibration Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.