Pay in 4 interest-free payments of $18.25 Learn more
Ships within 48 hours · Estimated delivery Sep 27 - Oct 2
External earplugs: 3
The TVOC detection value is 0
Microphone double-layer metal pop-proof cover
Support USB charging cable
Smart Sensor AR925 LCD Display Contact Tachometer Smart Home External earplugs: 31. Material: ABS 2. Measuring range: 0. 5~19999RPM; 0. 05~19999. 9m min; 0. 2~6560Ft min 3. Resolution: 0. 1RPM, 1RPM, 0. 01m min, 0. 1m min, 1Ft min 4. Large screen LCD display, the value is more intuitive and accurate 5. Sampling frequency: 0. 8Sec 6. Powered by 3 AA batteries (not included) 7. The key control panel is simple and convenient 8. Contact test generator, fast measurement response 9. Automatically store data, automatically remind when
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