Description: 【High Accuracy】: Wide Measuring range: 30~130dB , Accuracy: ±1.5dB,Fast/Slow time weighting selection, display update time: 2 times/second (FAST), 1 time/second (SLOW). 【Wide Applications】: The decibel meter is lightweight and easy to carry, widely use for office, classroom, noisy neighbour ,environmental measurement, law enforcement, work place, sound level analysis of machinery and engines. 【Screen Backlight Digital Display】: Large screen with backlight display, convenient to use and measure in the dark environment. 【High Precision Condenser Microphone】: Without contact, it can measure the quality of sound in various environments and display the test results quickly and accurately. 【Ergonomic and Lightweight Design】 : The sound pressure level (SPL) meter is light in weight and compact in size, which is easy to carry. The lightweight design allows long time operation. The compact design ensures the noise meter fits into your hand comfortably. Specification: Measuring range: 30-130dba Measurement accuracy: 1.5db Working temperature: 0~40 (°C) Resolution: 0.1 Size:Approx. 15cmx5cmx3cm/5.91inchx1.97inchx1.18inch Package Includes: 1X Digital Sound Level Meter  Note: Please allow slight dimension difference due to different manual measurement.