Digital Sound Level Meter 30-130dB Decibel Meter GZ1

Digital Sound Level Meter 30-130dB Decibel Meter 1. Measurement Range: 30–130 dB 2. Measurement Accuracy: ±1.5 dB (at a standard sound source of 94 dB at 1 kHz) 3. Resolution: 0.1 dB 4. Frequency Response: 50 Hz-20 kHz 5. Display: LCD screen 6. Overrange Indication: OL 7. Low Battery Indication: Battery icon displayed on the LCD screen 8. Auto-Shutdown Time: 15 minutes 9. Operating Environment: Temperature: 0-40 degrees Celsius; Humidity: 0–80% 10. Storage Environment: Temperature: -10 to 60 degrees Celsius; Humidity: 0–70% 11. Operating Altitude: Up to 2,000 m 12. Battery Capacity: 400 mAh 13. Display Languages: Chinese, English 14. Dimensions: Approx. 17.74 x 2.78 x 2.31 cm 15. Weight: Approx. 62 g Features: 1. Built-in high-sensitivity sensor and high-precision capacitive microphone enable rapid response and accurate measurement of sound levels in decibels 2. Comes with a foam windscreen to effectively reduce interference from wind noise and ambient noise during outdoor use, minimizing measurement errors 3. Uses an A-weighting network that mimics the human ear’s perception of low-intensity sounds, providing a more realistic auditory experience and precise monitoring of environmental noise 4. Allows you to freely select either maximum or minimum measurement mode to precisely lock onto and capture the highest or lowest noise values in the current environment 5. Features a high-definition LCD screen with built-in LED backlighting, enabling clear and intuitive reading of real-time data even in dim or dark environments 6. The compact, pocket-sized design allows for easy and comfortable one-handed operation, making it effortless to carry around 7. Features a built-in high-density lithium battery with a USB charging port, supporting plug-and-play and fast charging 8. Automatically powers off after 15 minutes of inactivity to conserve energy and extend the device’s service life