Feature:1. LCD display with switchable backlight for easy reading, convenient to use.2. Wide measuring range: 30-130dBA, Resolution: 0.1dB with fast responding.3. Min./Max./Data Hold function.4. Low battery indication, manual/auto shut off.5. Portable and easy to use, suitable for checking, monitoring or controlling the sound level for personal, families, business, studies, industrial, etc.Specification:This small and portable digital sound level meter is small and portable, which is designed to meet the measurement requirements of safety engineers, health, industrial safety offices and sound quality control in various environments like factory, school, construction, etc.Features:LCD display with switchable backlight for easy reading, convenient to use.Wide measuring range: 30-130dBA, Resolution: 0.1dB with fast responding.Min./Max./Data Hold function.Low battery indication, manual/auto shut off.Portable and easy to use, suitable for checking, monitoring or controlling the sound level for personal, families, business, studies, industrial, etc.Specifications:Material: ABSSound Level Measuring Range: 30-130dBAAccuracy: ±1.5dB(94dB@1KHz)Frequency Response: 31.5Hz-8KHzFrequency Weighting Features: A weightingResolution: 0.1dBWorking Temperature and Humidity: 0～40℃, 10%～80%RHStorage Temperature and Humidity: -10℃～60℃, 0%～90%RHPower Supply: 3 * 1.5V AAA battery (NOT included)Item Size: 178 * 56 * 30mm / 7.01 * 2.20 * 1.18inItem Weight: 96g / 3.40ozPackage Weight: 210g / 7.41ozPackage Size: 22 * 11.7 * 4.2cm / 8.66 * 4.60 * 1.65inPackage List:1 * Sound Level Meter1 * User Manual (English)Package List:1 * Sound Level Meter1 * User Manual (English)