Check the listing for details. Digital Sound Level Meter Decibel Meter Wall Mounted 30-130dB LCD Noise Detector. Condition: New. Listed at 51.57 USD. 💗【11'' LED LARGE DISPLAY】Diemmern large screen decibel meter features 11" LED display with adjustable brightness & decibel meter chip, i.e. Noise Meter + Temperature Meter + Humidity Meter + Clock + Noise Level Indicator, better for your life and work. 💗 【Accurate Precision】This sound level meter uses a smart air semiconductor sensor to test decibel temperature and humidity values. It is more sensitive, accurate and stable compared to ordinary sensors. Measuring range is 30~130dB, accuracy: ±1.5dB, frequency response range: 50Hz~8.5KHz: Frequency response range: 50Hz~8.5KHz; Humidity range: 20~85%, accuracy: ±5%; Temperature range: 14~122℉, accuracy: ±5%. [Attention! Due to different environments, the actual measured value has 0~15% deviation, which is normal range].