Digital Decibel Sound Meter 3in1 — Noise Measuring Instrument, Temperature & Humidity Meter, Wall Mounted Large Screen Tester, Accurate Measurement

Measures sound level (dB), temperature and humidity with reliable, accurate results. Built-in auto-calibration keeps readings consistent. The oversized display is easy to read and its brightness can be adjusted manually to suit your environment. Color-coded indicators and expressive face icons give an intuitive, lifelike view of indoor air quality. Designed for flexible placement — sits on a table or can be hung on the wall for convenient monitoring.