With automatic power off and simple button operations, the multifunctional sound levels detector combines user friendly features with professional for hassle frees Ideal for homeowners, noises engineering professional, and educational institutions, this decibel tester simplifies noise levels assessments in setting Equipped with fast/slow response mode and a 31.5Hz~8KHz frequency ranges, this device weighted simulations to detect low noise environment while its ABS design ensures easy handling The digital sound meter features a large LCD display for clear readings in any lighting, precise noise measurements from 35~135dBA with ±2dB accuracy for reliabled environmental Perfect for home soundproofing check, workplace compliance, or industrial noise control, the meter’s 50dB dynamic ranges adapts to indoor and outdoor applications, Manufacturer: Shunzhong