This professional-grade digital sound level meter provides accurate and reliable noise measurement for a wide range of applications. It features a sensitive sensor with a rapid 0.5-second response time and a non-contact measurement method, delivering quick and precise readings in various environments. The device boasts a large, easy-to-read backlit LCD screen, making it simple to use in low-light conditions while being gentle on the eyes. It offers precise measurement with a range of 30 to 130 dBA, an accuracy of +/- 1.5 dB, and a resolution of 0.1 dB. Key functions include a data hold feature, maximum and minimum sound level recording, a 15-minute auto power-off function, and an alarm that activates when levels reach 130 dB. It is conveniently powered by an included 9V battery. Ideal for use in industrial settings, offices, homes, and urban areas, this meter can monitor noise from appliances, construction, traffic, pets, and musical instruments. It helps ensure compliance with safe exposure limits, such as the recommended 85 dB for eight hours. **Main Parameters:** * Frequency Weighting: A * Measuring Range: 30 dB - 130 dB * Accuracy: +/- 1.5 dB * Resolution: 0.1 dBA * Response Time: 0.5 second * Operating Temperature: 0°C ~ 40°C (32°F ~ 104°F) * Operating Humidity: 10% ~ 90% R.H. * Power Supply: 9V Battery (Included) **Package Includes:** * 1 x Digital Sound Level Meter * 1 x 9V Battery