Feature:1. Wide Measurement Range: With a measurement range from 30.0 to 130 dBA and an accuracy of 1.5 dB, this sound meter is suitable for a variety of acoustic assessments.2. Maximum Minimum Value Lock: Easily lock the maximum or minimum values with the press of the MAXimum or MIN button, allowing you to catch key sound levels effortlessly.3. Clear Backlit Display: The large display features a white backlight, ensuring you can easily read measurements even in low light environments, enhancing usability during any scenario.4. High Accuracy Sensor: Equipped with a highly sensitive 1 or 2inch capacitive microphone, this decibel meter delivers high accuracy, responsiveness, and overall performance for accurate readings.5. Multi Scenario Use: Designed for easy portability, this sound level meter is suitable for various settings, be it home, office, or industrial environments, making sound measurement convenient and efficient.Specification:Item Type: Digital Decibel MeterMaterial: ABSMeasurement Range: 30.0-130dBResolution: 0.1dBAccuracy: 1.5dB (calibrated at 94dB at 1KHz)Frequency Weighting: A WeightingNoise Display: 4 digit display, maximum 1999Frequency Response: 31.5Hz-8KHzTime Weighting: FAST (0.125 sec), SLOW (1 sec)Sampling Rate: 2 times or secMicrophone: High sensitivity 1 or 2 inch electret condenser microphoneOperating Environment: -10-50, maximum 80 percent relative humidity, indoor alt andlt 2000mStorage Environment: -10-50, maximum 70 percent relative humidity (remove batteries)Battery: 1.5V AAA battery x3 (batteries not included).Package List:1 x Sound Level Meter1 x Carrying Bag