Precision Sound Level Meter, BTMETER Digital Decibel Tester for 30~130 dB Noise Volume Measurement with A/C Fast/Slow Weighting, Large Backlight Display BT-882A Decibel Reader

Decibel Meter Wall Hanging Sound Level Meter 11 inch Large LED Display Noise Temperature Humidity Meter with Alarm Icons Indicator Wide Applications for Classroom, Studio, Home, Factory

Noise Decibel Meter, Gedaye Digital Sound Level Meter & Thermometer, SPL Meter 35 to 135dBA Range, LCD Backlit Display, A-Weighting, Max/Min Measurement, Data Hold, Noise Tester for Office, Factory

Decibel Meter Bluetooth, Digital Sound Level Reader with Data Logging,Smart Noise Decibel Meter 30dB to 130dB Data Hold Alarm with Backlight LCD Display A/C Weighted SPL Meter for Classroom, Factory

Decibel Meter, Protmex Digital Sound Level Meter Portable SPL Meter 30-130dB with Temperature Humidity Measuring MAX/MIN Data Hold Large LCD Screen Backlight Auto Shut-down A Weighted for Home Factory