30-130dB(A) LCD Digital Sound Level Meter Noise Volume Measuring Instrument Decibel Monitoring Tester Want to test the sound level? Need to know the noise level? Try our Digital Sound Level Meter. It's featured with wide measuring range (30-130dB). It's portable and easy e as a handy instrument for sound quality control in factory, office, home, school and construction site. Features: Large LCD backlight display for clear reading, convenient e at night. Wide measuring range: 30-130dBA, Fast Responding. Sound level measurement with stable and reliable performance. Min./Max./Data Hold function and OVER warning sign of over range measuring. Low battery indication, manual/auto shut off. Equipped with sponge ball.  With mounting hole of tripod, allowing to be placed on the stand, easier measuring when your hands are busy. Portable and easy e，suitable for sound quality control in factory, traffic, car, baby room and audio system office, home, school and construction site. Specifications: Color: Black Material: ABS Plastic Measuring Range: 30-130dBA Accuracy: ±1.5dB Resolution: 0.1dB Frequency Response: 31.5Hz to 8KHz Frequency Weighting Features: A Weighting Display: LCD Display Over Range: LCD Show OVER Power Supply: 3 * 1.5V AAA Batteries(Included) Operation Environment: 0-40℃ 10-80%RH Storage Environment: -10-60℃ 0-90%RH Item Size: 56 * 36 * 177mm / 2.20 * 1.42 * 6.97in  Item Weight: 122g / 4.32oz (Batteries Included) Package Size: 22 * 12.2 * 4.4cm Package Weight: 210g Package List: 1 * Sound Level Meter 1 * Sponge Ball 1 * User Manual (English + French + German + Italy + Spanish)