Decibel Meter Wall Hanging Sound Level Meter 30-130DB Range 11 Inch LED Display Time Temperature Humidity

Portable decibel monitor with built-in 2000mAh lithium battery and a 10 ft USB charging cable so you can power it from anywhere and place it wherever needed. The unit features an 8.6 inch LED screen with adjustable brightness that displays real-time sound level, time, temperature and humidity. High-precision measurements come from an intelligent air semiconductor sensor that is more sensitive, stable and accurate than ordinary sensors. Sound measurement: 30~130dB, accuracy: ±1.5dB, frequency response range: 50Hz~8.5KHz. Humidity: 20~85%, accuracy: ±5%. Temperature: 14~122℉, accuracy: ±5%. Controls are simple: press "▲" to increase brightness, "▼" to lower it, press "M" to switch detection speed between three gears (fast, medium and slow), and double-click "M" to set the time. This noise meter is suitable for noise engineering, product quality control, health prevention and treatment, and general monitoring or testing of environmental sound levels. It can be wall-hung or set on a table, making it useful in classrooms, studios, busy traffic areas, factories, construction sites, homes and offices. Material: ABS. Colour: As shown. Package Contents: 1 x Decibel Meter 1 x charging cable