Features: The digital sound meter features a large LCD display for clear readings in any lighting, delivering precise noise measurements from 35~135dBA with ±2dB accuracy for reliable environmental monitoring. Equipped with fast/slow response mode and a 31.5Hz~8KHz frequency ranges, this device offer weighted simulations to detect low noise environment while its ABS design ensures easy handling. Ideal for homeowners, noises engineering professional, and educational institutions, this decibel tester simplifies noise level assessments in diverse setting. Perfect for home soundproofing check, workplace safety compliance, or industrial noise control, the meter’s 50dB dynamic ranges adapts to indoor and outdoor applications. With automatic power off and simple one button operation, the multifunctional sound level detector combines user friendly features with professional performances for hassle frees monitoring. Specifications: Component:ABS Size:Approx.147x59x30mm/5.79x2.32x1.18inch Measuring ranges: 35~135dB Measurement accuracy: ±2dB Resolution: 0.1dB Frequency:31.5Hz-8KHz Package Includes: 1pcs Digital Noise Meter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.