Xiyue Decibel Meter Data Logger Digital Sound Decibel Meter, Sound Level Meter with 43,000 Data Record & Export, Rechargeable Noise Meter with A/C Frequency&DC Output, 3-Color Alarm, Real Time Measurement Gas Detector

【Decibel Meter Data Logger】 decibel meter is able to record up to 43,000 data, it could view on the main unit & PC, and also export data via excel file whlie connecting to PC 【Three-Color Light Alarm】The decibel meter sound level reader is equipped with 3-color light, alerts you with green, yellow, and red indicators for low, medium, and high noise levels, you may manually set the alarm threshold 【High Accuracy】 The noise decibel meter is measuring range from 30~130dB and +/-1.5dB accuracy, colored screen with line chart display with visual noise data changes, analog bars, date and time ( (year-month-day-hour-minute-second) 【A/C Frequency Weighting】The db meter can switch between bB A and C frequency with adjustable FAST / SLOW measuring response; and comes with DC output the noise value by voltage mode according to the proportion 【USB Charging & PC Connectivity】 sound meter is compatible with Windows 7, 10, and 11 for connecting, data exporting, analysis, and printing, it's about 1.5h charging in 1000mAh capacity