3-in-1 Decibel Meter Wall Hanging Sound Level Meter,11 Inch Classroom Noise Meter 30-130dB Range LED Display Noise Temperature Humidity Meter with Alarm Icons Indicator for Home,Studio,Factory

【11inch Decibel Meter】This decibel meter has an 11 inch high-definition backlight LCD screen with adjustable brightness and a decibel meter, which means you will have a noise meter+thermometer+hygrometer+clock. It is widely applicable for personal, families, classroom, business, studies, industrial and etc.
【High Accuracy Measuring 】Measuring range: 30-130dBA,Measurement accuracy: ±0.1dBA,Working temperature: -10-60℃.Humidity Range: 20~85%.[Attention! frequency response range: 50Hz~8.5KHz.Due to the different environments, the actual measurement value has a deviation of 0~15% which is a normal range].
【 AUTO Alarm Icons】: the noise alarm face icon will automatically switch when the decibel at different level. 【Green Icon】Less than 60dB;【Yellow Icon】60~75dB;【Orange Icon】75~85dB;【Red Icon】More than 85dB
【Easy to Install and Use】Our decibel meter can be mounted on the wall or placed on a table.This Wall Hanging Sound Level Meter is ready to use, click "▲" to enhance the brightness, click "▼" to reduce the brightness, click "M" to adjust the detection speed,Long-press "M" to adjust the time Jiggyough.
【Charge-Friendly】This decibel meter built-in 2000mAh lithium battery power supply, comes with a 9.9 FT long USB cable charging.Endurance time of 3~5 days, ultra-long standby only need to charge once a week.It is great for testing sound levels in classrooms, studios, traffic routes, factories, construction sites, homes, and offices.

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