Feature:1. Large LCD display with switchable backlight for easy reading, convenient to use.2. Wide measurement range from 30dB to 130dB, Resolution: 0.1dB, Accuracy: ±1.5dB.3. With maximum/minimum value measurement and data hold function.4. Low battery indication, automatic \u0026 manual power off function.5. Equipped with sponge ball. Compact and light, convenient to hold and carry.6. Portable and easy to use, suitable for checking, monitoring or controlling the sound level for personal, families, business, studies, industrial, etc.Specification:Want to test the sound level? Need to know the noise level for sound level control? Try this handy sound level meter, it's featured with wide measuring range that measures sound level from 30dBA～130dBA. It can be widely used for monitoring sound level in homes, office, schools, factories, traffic, audio system, construction site, etc.Features:Large LCD display with switchable backlight for easy reading, convenient to use.Wide measurement range from 30dB to 130dB, Resolution: 0.1dB, Accuracy: ±1.5dB.With maximum/minimum value measurement and data hold function.Low battery indication, automatic & manual power off function. Equipped with sponge ball. Compact and light, convenient to hold and carry.Portable and easy to use, suitable for checking, monitoring or controlling the sound level for personal, families, business, studies, industrial, etc.Specifications:Material: ABS plasticDisplay: LCD display with switchable backlightMeasuring Range: 30~130dBA Accuracy: ±1.5dBResolution: 0.1dBFrequency Response: 31.5Hz~8KHzFrequency Weighting Features: A weightingSampling Frequency: 2 times/secMicrophone: 1/2" electret condenser microphoneOperating Temperature: 0~40℃(10%~80%RH)Storage Temperature: -10~60℃(10%~70%RH)Power Supply: 3 * 1.5V AAA battery (NOT included)Auto Power Off: 10 minutes without any operationCase Size: Approx. 18.7 * 7.8 * 5cm / 7.4 * 3.1 * 2.0inItem Size: Approx. 49 * 30 * 159mm / 1.9 * 1.2 * 6.3inItem Weight: Approx. 110g / 3.9ozPackage Weight: Approx. 179g / 6.3ozPacking List:1 * Sound Level Meter1 * User Manual (English)Package List:1 * Sound Level Meter1 * User Manual (English)