Digital Wireless Sound Level Meter Tester 30~130dB — Auto Range, CD Software & USB, Accurate Readings

Compact digital wireless sound level meter with a measurement range of 30~130dB and auto range selection for reliable, high-resolution readings. Includes adjustable alarm settings with LED alert plus a DC output of 0-1.3V (10mV/dB) for external monitoring. Delivers instant, easy-to-read numeric results that show precise values without guesswork. Supplied with CD software and USB connectivity. Power management lets you set auto power-off between 1-9min or switch the unit off manually at any time.