4 in 1 LED Decibel Meter, Wall Mounted Sound Level Meter 30-130dB Range 11 Inch Large LED Display, Noise + Time + Temperature + Humidity Meter for Classroom, Studio, Home, Factory
4 IN 1 FUNCTION: The meter comes with 11 inch LED screen, could display sound level, temperature, humidity and time, brightness adjustable, very practical.
HIGH ACCURACY: The sound level meter uses intelligent air semiconductor sensor to test the decibel, temperature and humidity value, which is more sensitive, accurate and stable.
EASY TO USE: This intelligent decibel meter is available at any time, easy to adjust brightness, detection speed and time. The detection speed has three gears: fast, medium and slow.
WIDELY USED: This decibel meter can be hung on the wall or placed on the table, ideal for testing sound level in classroom, studio, main traffic arteries, factory, construction site, home, office, etc.
USB RECHARGEABLE: This decibel meter has a built in 2000mAh lithium battery power supply, and is equipped with a 10ft USB charging cable, you can easily.
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