⁺ 3 In 1 Decibel Meter Wall Hanging Sound Level Meter Large LED Display Humidity
Concentration Unit Decibel: dB. Humidity Range: 20%-85%. Relative Humidity: 20%-85%. Display: LED Display. Size: Approx. 10.6 x 3.5 x 1.4in/26.92 x 8.89 x 3.56cm. 2 x Expansion Tube. Temperature Range: 14℉-140℉.