Description: 【Accurate Measurement】 30dB to 130dB High precision noise sensor decibel meter, designed to accurately measure and record noise levels in various environments. Highly accurate with ± 1.5 dB. 【Fast and Slow Measurement】 The sound level meter has the function of converting the fast and slow response rates. Fast response rate for general environmental measurement. The slow response rate for environmental measurements with relatively large changes in noise levels. 【Lightweight and Portable】With a carrying case, compact size decibel meter is portable and easy to carry around for on the go measurements. 【A/C Weighting & Data Hold】Handheld digital LCD display sound level reader can be easily switched between A and C weighting to measure sound levels accurately according to different standards and requirements. And hold measurement data for convenient reference and analysis. 【Versatile Use】Ideal for testing noise in factories, offices, homes or any environment where sound level measurement is necessary. Specification: Measuring range: 30-130db Measurement accuracy: 1.5db Size Chart: 24cm/9.45inch Package Includes: 1 Set Sound Level Meter 1 Storage Bag Note: Please allow slight dimension difference due to different manual measurement.