Features: <br>1. Large digital LCD display that provides clear readings <br>2. Measuring range is 30~130dB, with indicator flashing and buzzer alarm function <br>3. The device can measure internal or external noise <br>4. There are hanging holes in the back, which can be hung on the wall to save space. <br>5. Can be used in measuring noise of various occasions and appliances such as factory, office, home, traffic route, acoustics, air-condition, refrigerator, etc. <br> <br>Specification: <br>Condition: Brand New <br>Model: SW-525A <br>Measuring Range: 30-130dB(dB) <br>Accuracy: ±1.5 dB (In standard sound 94db @ 1khz) <br>Frequency Response: 31.5Hz-8.5khz <br>Frequency Weighting: A <br>Response Time: Fast <br>Microphone: 6 Mm Condenser Microphone <br>Power: DC 5V 1A Type C USB <br>Operating Environment: 0-40℃ 10-80% RH <br>Storage Temperature and Humidity: -10~60℃ 10~70% RH <br>Weight: Approx. 608g / 21.8oz <br>Size: Approx. 210 * 130 * 30mm / 8.3 * 5.1 * 1.2in <br> <br>Package List: <br>1 * Sound Level Meter <br>1 * User Manual <br>1 * USB Cable <br> <br> <br>Note: <br>Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.<br>1、Large digital LCD display that provides clear readings <br>2、Measuring range is 30~130dB, with indicator flashing and buzzer alarm function <br>3、The device can measure internal or external noise <br>4、There are hanging holes in the back, which can be hung on the wall to save space. <br>5、Can be used in measuring noise of various occasions and appliances such as factory, office, home, traffic route, acoustics, air?condition, refrigerator, etc.<div>1 * Sound Level Meter</div><div>1 * User Manual</div><div>1 * USB Cable</div>