Description: Good voltage stability control technology makes its power consumption lower. The functions of automatic shutdown and overload prompt make it safer to use. The full range of functions makes it very practical and useful. And the compact size makes it very convenient to carry and store. Made of fireproof ABS material, this product is durable and practical. The length of this product is 16cm, the width is 5.2cm and the height is 2.7cm. It is suitable for office noise detection, environmental noise detection, home appliance testing, etc. It can withstand a one-meter landing impact. Item Name: Mini Noise Meter Material: Fireproof ABS Model: UT353 Color: Red Resolution: 0.1dB Weighting Curve: A Weighting Measurement Accuracy: 1.5dB Frequency Response: 31.5Hz-8kHz Product Power Supply: 3 x 1.5V AAA Noise Measurement Range: 30-130dB Sampling Rate: Fast 125ms/Slow 1000ms Features: Overload Indication, Hand-held, Digital Automatic Shutdown Setting: 5 Minutes / No Shutdown Size Details: Size: 16cm x 5.2cm x 2.7cm/6.3" x 2.05" x 1.06" (Approx.) LCD Size: 3.2cm x 2.6cm/1.26" x 1.02" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Noise Meter 3 x AAA Batteries 1 x English User Manual