Feature:1. VARIOUS MEASUREMENTS: Suitable for indoor noise measurement; outdoor noise measurement; electrical noise measurement; interior noise measurement; library noise measurement; construction site noise measurement2. TEST QUICKLY AND ACCURATELY: High accuracy condenser microphone can measure the quality of sound in various environments without contact, and display test results quickly and accurately3. CONVENIENT MEASUREMENT IN DARK: The screen has a backlit display, which is convenient for measurement in dark environments4. ACCURATE DETECTION: Detection range from 30~130dB, frequency range is 30Hz~8kHz, possess excellent performance and long service life5. SCRATCH RESISTANT ABS: Made of good quality ABS material, possess impact resistance, scratch resistance, and environmentally friendlySpecification:Item Type: Sound Level MeterModel: HT64Material: ABSBattery: 2 x 1.5V AAA(not included)Application: Indoor noise measurement; outdoor noise measurement; electrical noise measurement; interior noise measurement; library noise measurement; construction site noise measurementBasic Parameters: Detection Range: 30~130dBFrequency Range: 30Hz~8kHz.Package List:1 x Sound Level Meter1 x User Manual