Pr Sound Level Meter 40-130dBA, Professional Decibel Meter With Backlit Display (9V Battery Included)

[Sensitive sensor] 0.5s response time, no contact. Can measure the noise level under any circumstances, quickly display the accurate measurement result. [LCD Display] Large backlit LCD screen, easy to read at night. Low radiation, reduce damage to eyes. [Accurate measurement] Measuring range 40 ~ 130dBA; Accuracy of +/- 1.5dB with a resolution of 0.1dB[Multi-function] Data hold function; Max/Min sound level measurement; 15 minutes automatic power off also has an alarm function when the voice level reaches 130 dB. [Power Supply] Powered by 9V battery (Included)