Sound Level Meter Digital Bluetooth Noise Meter Tester 30-130dB Decibel Monitoring Sound Level Meters UT353BT

Blue Tooth Mini Sound Level Meter 30~130dB,Frequency Response 31.6Hz~8kHz, Sample Rate Fast (125ms) & Slow (1s), Analogue Outputs, Data Hold, Auto Power Off (5 mins), Low Battery Indication, MAX/MIN Mode, Backlight