Wall Mount Decibel Meter, 3.0 LED Noise Meter for Home, Factory, Classroom, 30 130dB Sound Level Meter with Alarm, A

Feature: 1. Accurate and Fast: Capacitive microphone sensor with high sensitivity measures 30 130dB, error only + 1.5dB, frequency response 31.5Hz 8.5KHz. Fast response captures sound changes in real time, providing stable data for both low and high noise.​ 2. Fits Many Scenes: Great for checking environmental sound levels, used in noise engineering, quality control, and more. Works in offices, roads, homes, factories, construction sites track noise in any environment.​ 3. Easy to Use: 3.0 inch HD backlit LED screen for clear real time readings. Can be wall mounted or placed on a desk, easy to install, ideal for continuous monitoring. No need to hold it long term use is effortless.​ 4. Thoughtful Reminder: Alarm is on by default; the decibel meter beeps and flashes for 2 minutes to lock data when noise exceeds set levels. Customize alarm range and duration (5s 120s), with a port to connect external speakers for timely alerts.​ 5. Type C Charging: DC5V 1A Type C port with USB cable for easy charging. Use a regular charger to recharge no frequent battery changes, ensuring uninterrupted monitoring for a more convenient experience. Specification: Item Type: Noise MeterMaterial: ABSMeasurement Range: 30 130 dBFrequency Response Range: 31.5 Hz 8.5 kHzFrequency Weighting: A weightingResponse Speed: 8 times per secondAccuracy: + 1.5 dB (with reference to 94 dB at 1000 Hz using an acoustic calibrator)Resolution: Below 99.9 dB: 0.1 dB, Above 100 dB: 1 dBPower Interface Type: Type CBattery: Rechargeable 2200mAh battery (Built in)Package Size: Approx. 25*14*4cm 9.84*5.51*1.57inPackage Weight: 622g 1.37lb. Package List: 1 x Sound Level Meter1 x User Manual1 x USB Charging Cable