Digital Sound Level Meter - Handheld Noise Decibel Tester with LCD Display | Accurate dB Measurement for Indoor/Outdoor Use | Perfect for Home, Workplace, School & Industrial Noise Monitoring

Product Description

Feature:1. Maximum/minimum value measurement and data retention function, can measure the volume more easily.2. Data recording function, data measurement and collection are more convenient.3. Real‑time display of results, with fast/slow response modes to choose from.4. Scientific design, the test process is more accurate, and the test data is more rigorous.5. The product is small in size, light in weight, easy to transport and convenient to useHow to Use:Preparations before operation:1. Open the battery cover and install the battery on the bulb holder2. Replace the battery cover.3. When the battery power is low, a symbol will appear on the LCD panel, indicating that the current battery power will not be enough, and a new battery must be replaced.4. When using a DC power converter, please insert the output plug (3.5) of the DC power converter into the DC6V jack on the side of the meter.Operation matters:1. Press the power switch and then release it.2. Press level▲ or select the appropriate gear to measure the current noise, with reference to the absence of "UNDER" or "OVER" symbols.3. If you want to measure t