Digital Sound Level Meter 30-130DB Noise Volume Decibel Tester A/C Fast/Slow US
AC/DC Analog Signal Output. √AC/DC Output. √Max Hold Function. Weight: 210g.
5-in-1 Decibel Meter 30-130dB Range Wall Mount Sound Level Meter 11″ Large LED
It is more sensitive, accurate and stable compared to ordinary sensors. Tap “M” to adjust the detection speed, respectively, there are three gears can be adjusted to suit you. -Large screen, wall mount.