Sound level meter is made of plastic material, not easy to break. The decibel meter has a small size, simple operation, light weight and portable. Equipped with large screen display, the data is clear and easy to read, easy to operate. Features -Color:Black -Material:Plastic -Size:14.50X5.00X2.50cm/5.70X1.97X0.98in -Battery: 3 × AAA batteries (Included) -Frequency response: 31.5Hz-8KHz -Measuring ranges: 30-130dB -Accuracy: ±1. (94dB@1KHz) -Display resolution: 0.1dB -Operating temperature: 0-40 degree centigrade -Operating humidity: 10-90%RH -Storage temperature: -10 to 60 degree centigrade -Storage humidity: 10-75%RH - High precision measurement: Adopting digital technology, the accuracy is up to 0.1dB, which can meet various measurement needs. - Large screen display: Equipped with a large screen display, the data is clear and easy to read, and the operation is simple and convenient. - Lightweight and portable: Small and lightweight, it can be carried with you, suitable for various occasions. - Multi-functional application: It can be used for environmental noise detection, industrial noise detection, traffic noise detection and other occasions. - Long-term use: The plastic material made decibel meter is sturdy and , can be used for a long time. Package list: 1 x decibel meter