Wintact WT1357 Digital Sound Level Meter, Range: 30dB~130dB, WT1357 Grooming With middle metal tube and

With middle metal tube and rotation knob

The raised points at the four corners can prevent the notebook computer from excessive contact with the desktop and cause wear

11inch * 18

Spectre x360 15-df

Wintact WT1357 Digital Sound Level Meter, Range: 30dB~130dB, WT1357 Grooming With middle metal tube andFeatures 1. Automatic calibration to ensure accuracy. 2. Automatic linear compensation: this advanced software program improves the accuracy by correcting the nonlinear accuracy of the sensor. 3. Quickly adjust the sound speed thickness and quickly call out the stored data 4. Coupling status indication: observe the coupling icon to see whether the coupling is completed. 5. It has 12 thickness measurement storage and calling functions to facilitate