amiciSense Digital Sound Level Meter, Decibel Meter 30-130db Audio Noise Measuring Device Sound Meter

Min/Max Reading - The Sound Level Tester records the minimum and maximum sound decibels around any given time range and freezes the current measurement readings. LCD Display - Clear readings and easy to use at night. Can be used in factories, baby room, audio system offices, school and construction sites. Precision measurement & over-range warning sign - Measurement range: 30-130dB, accuracy: ±1.5dB, resolution: 0.1dB, there will be a warning alarm with red LED when the sound exceeds the standard. Compact & Lightweight - This sound level meter is lightweight and easy to carry. Auto/Manual Shutdown - It will automatically shut down after 5 minutes when not in use. Note: After using, please press and hold the shutdown button for 5 seconds.