✅【13-inches Large Screen】DANOPLUS 13 inches LED Screen Noise Monitor Displays Decibel Level(30-130dB), Time(AM/PM), Temperature(degree C/degree F) Humidity(0-100%RH) and brightness adjustable, you may see all of the digits more clearly

✅【Face Icons Indicator】The decibel meter sound level reader is able to switch face icons automatically with the noise at different level,【Green Face】Less than 60dB;【Yellow Face】60~85dB;【Red Face】More than 85dB, making it easier to interpret the readings

✅【Buzzer Alarm and Time Display】The noise detector is equipped with buzzer alarm function that can be manually turned on or off, you may adjust decibel alarm threshold, and it provides 12-hour and 24-hour time format options ensures accurate timekeeping

✅【High Accuracy】The decibel meter has large measuring Range: 30-130dB with high accuracy: +/-1dB, all of the readings of decibel level, Temperature and Humidty is fully calibrated from the factory which ensure high accuracy and long-term usage

✅【User-Fridendly】DANOPLUS sound meter is designed with large capacity lithium battery, 9.8 feet(300 cm) charging cord, no worry the cable is not length enough, support convenient desktop and wall hanging, widely use for classroom, studio, office, home, library, etc.