[Scientific & Ergonomic Design]: Encased in shock-absorbing rubber for enhanced durability, drop resistance, and a comfortable grip, ensuring reliable performance even in demanding field conditions. High sensitivity sensing probe and sponge ball windshield design for fast response and high accurate probe, handing over professional work to professional inst ents. [Integrated Multifunctionality]: Combines unit conversion, auto-ranging, Max/Min display, BT communication, data locking functions for comprehensive, user-friendly sound level assessment. Equipped with thoughtful digital LCD backlit screen for easy data reading, easy to cope with strong light, night and other harsh environments. [A-weighting/C-weighting]: Accurately emulates the frequency response of human hearing for low-intensity ( Less than 55 dB) and high-intensity mechanical noises, ensuring reliable measurement under diverse acoustic environments. [Fast/Slow Mode Selection]: Seamlessly captures fluctuating port noise with a responsive 125 ms FAST mode or measures stable noise levels with a 1000 ms SLOW mode, presenting the effective value for precise analysis. [Versatile Applications & Enhanced Convenience]: This inst ent caters to a broad range of uses, including noise, quality control, film production, construction, automotive testing, and educational settings, delivering professional-grade results with lasting cost-effectiveness. USB Charging 30-130dB A/C Weighted Digital Sound Level Meter Battery/Rechargeable Handheld Decibelimetro Decibel Noise Meter This sound level meter combines A-weighting/C-weighting, fast/slow mode adjustable, unit conversion, auto-ranging, Max/Min display, BT communication, data locking and a clear LCD screen for comprehensive, user-friendly sound level assessment. Wide applications, suitable for noise quality control, film production, construction, automotive testing, and educational settings, delivering professional-grade results with lasting cost-e