Computer Connected Decibel Sound Level Noise Volume Tester Large Screen HD Display Auto Induction Backlight Noise Meter - China Noise Meter and Sound Meter
Decibel Noise Detector, Digital Sound Level Meter 30~130 Db, Handheld Decibel Meter, With Time Usb Data Analysis Db Monitor, Suitable For Industry And Daily Life (Not Including Battery) - Walmart.com
SLTK-887_Blue Professional Sound Level Meter 30~130dB CD Software & Bluetooth Digital Decibel Tester - Tekcoplus Ltd.