Temtop Air Quality Monitor for PM2.5, PM10, Particle Counter and Formaldehyde medium Why does it have audio

Why does it have audio built in

the Moldex MX-6 or Moldex MX-5

and falling debris from the sides and rear that standard cap-style brims do not cover

so the usable volume shrinks

degraded protectors seal poorly and quietly lose protection

Temtop Air Quality Monitor for PM2.5, PM10, Particle Counter and Formaldehyde medium Why does it have audioEDITORIAL REVIEW Temtop Air Quality Monitor for PM2. 5, PM10, Particle Counter and Formaldehyde Assessed on the standards the product is actually certified to and on how the format fits a working shift, by Steven Eaton, WC Safety editor. AMAZON CUSTOMER RATING: 4. 0 5 WC Safety research note on the Temtop VOC Detector, a volatile organic compound detector. Rating shown is the Amazon customer rating at the time of writing, not our own score.