TASI Contact Portable Measuring Speed Meter Digital Display Laser Tachometer cover for memory foam mattress topper Versatile design that works with

Versatile design that works with both casual and semi-formal outfits

5mm durable and waterproof PVC

and energy cleansing

Its unique formula contains oat oil and jojoba oil

TASI Contact Portable Measuring Speed Meter Digital Display Laser Tachometer cover for memory foam mattress topper Versatile design that works with1. Measuring range: Non contact: 3 100000RPM Contact: 3 19999RPM, 0 99999m, 0 1999. 9m min, 0 9999. 9ft min 2. Accuracy: Non contact: 0. 05%FS+1RPM Contact: 0. 1%FS+1RPM 3. Speed ?? display: 5 digit display, up to 99999 4. Effective measurement distance: 50 500mm 5. Measuring method: TA500A: non contact; TA500C: non contact contact 6. Sampling time: 0. 8 seconds (above 60 rpm) 7. Operating environment: 10 50 degrees Celsius, relative humidity within