Feature: 1. 30 to 130 DB Range: Sound level meter has high sensitivity and accuracy, which can measure the noise level from 30 to 130 dB. 2. Large Screen: Decibel meter with a large backlit display screen to clearly show the noise levels, allowing users to quickly read noise information. 3. DBA Measure: All readings are measured in dBA, which is the most common decibel reading in most applications such as home and business. 4. Widely Use: DB meter used in many different areas from music recording, neighbor noise complaints, industrial, office, speech therapy. 5. Compact Size: Noise decibel meter is small in size and light in weight, ensures that the noise meter can be held comfortably in the hand. Specification: Item Type: Decibel Meter Material: ABS Battery: 1 x Carbon Battery (Included) Battery Model: 6F22 Battery Capacity: 800mAH Measuring Range: 30 to 130dBA Scope of Application: Widely used in individuals, families, classrooms, business, learning, industry and so on. Package List: 1 x Decibel Meter1 x Battery1 x Manual