Features High-Precision Measurement: Achieve accurate readings with a precision of ±2.0dB, ideal for professional noise engineering applications Versatile Noise Assessment: Perfect for various environments including factories, offices, traffic roads, and homes, ensuring comprehensive noise monitoring Clear, Easy-to-Read Display: Enjoy a high-definition large screen that eliminates parallax, allowing for effortless reading of measurement data Durable and Safe Design: Constructed with a high-accuracy condenser microphone sensor and a robust metal shell, ensuring reliability and resistance to drops User-Friendly Operation: Experience real-time measurements and quick response times with A/C weighting for professional-grade noise detection Features: 1、 Material: This is a noise meter made of ABS, which can make the service life longer. 2、Backlight Display: The noise meter has an automatic backlight display, which is convenient for viewing in dark conditions. 3、Decibel Display: The noise meter can display, measure the absolute high and low peak decibels (Maximum Minimum) and switch the display. 4、Power Reminder: A noise meter with low power reminder function will automatically shut down to save power when is not used for a long time. 5、Applicable Fields: The noise meter is suitable for the frequency spectrum of many different fields such as music recording, neighbor noise complaints, industrial environment, office environment, speech therapy and so on. Specification: Item Type: Noise Measure Device Model: GM1351 Material: ABS Measuring Range: 30-130 dBA Accuracy: ±1.5 dB Digital Resolution: 4 Digits & 0.1 dB Frequency Response: 31.5Hz ~8KHz Frequency Weighting Characteristics: A (Simulating Human Ears) Sampling Frequency: 2 Times Per Sec Microphone: 1/2in Condenser Microphone Usage Scenarios: Suitable for the Spectrum of Many Different Fields Such as Music Recording, Neighbor Noise Complaints, Industrial Environment, Office Environment, Speech Therapy and so on. Ship without Battery, Use a 9V 6F22 Square Battery Package List: 1 x Noise Meter 1 x User Manual Note: Please read the user manual before use, and use after you understand clearly; be careful not to use for a long time in a humid rainy environment. Package List 1 x Noise Meter 1 x User Manual