Photo 1 of 11 Inch LED Decibel Meter, 2.4G 4 in 1 Sound Decibel Meter, Wall Mounted Rechargable Display Sound Level Meter for Classroom, Studio, Home, Factory

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Photo 1 of 11 Inch LED Decibel Meter, 2.4G 4 in 1 Sound Decibel Meter, Wall Mounted Rechargable Display Sound Level Meter for Classroom, Studio, Home, Factory Photo 2 of 11 Inch LED Decibel Meter, 2.4G 4 in 1 Sound Decibel Meter, Wall Mounted Rechargable Display Sound Level Meter for Classroom, Studio, Home, Factory