[ DATA STORAGE ] The instrument will automatically store the data every 2 seconds, and the stored value is the largest noise value in 2s, which can last for one year.
[ USB CONNECTION ] Connecting computer with USB cable, you can download records, collect samples and print chart and date, etc.
[ APPLICATION ] Suitable for families, factories, offices, hotels, hospitals, laboratory, theaters and audio systems, etc.
[ ALARM FUNCTION ] When the measuring value is over the alarm value, the meter will make a sound beeping and lock the data with blinking for 2 minutes.
[ LARGE DIGITAL DISPLAY ] Super large 9.6 inch LCD digital display with backlight that makes reading more clear and visually in dark areas.