1. Digital Screen: The decibel meter adopts 13in large screen to clearly view the real time decibel level, temperature and humidity, with adjustable brightness.
2. Alarm Prompt: The default alarm value for power on is 130dB. When the measured value exceeds the alarm value, the decibel meter will emit an alarm sound.
3. Good Cooling: The meter back panel is designed with multiple heat dissipation vents, which is and , suitable for long term operation.
4. Level Display Bar: With analog bar level indication, 6 bars noise decibel display, 30-75dB display is green, 76-130dB display is red, clear and intuitive.
5. Easy Installation: The sound level meter is wall hanging, easy to install, and has a bracket, which can be placed on the desktop, for different scenes.

Specification:
Item Type: Sound Level Meter
Material: ABS, LED
Color: Black
Measuring Range: 30dB-130dB
Accuracy: ±1.5dB (subject to standard sound source, 94dB at 1KHz)
Frequency Response: 31.5Hz-8.5KHz
Frequency Weight: A Weight
Response Time: FAST, 0.5 Seconds
Sensor Type: 6mm condenser microphone sensor
Digital Display: 3 Digits
Resolution: 0.1dB (100dB)
Alarm Prompt Mode: Sound and Display
Alarm Output: 12V High Level
Refreshing Speed: 2 times per second
Power Supply Mode: DC5V 1A Micro USB Interface
Working Temperature and Humidity: 0-40?; Maximum 80% relative humidity, indoor altitude Storage Temperature and Humidity: -10-60?, maximum 70% relative humidity
Over Range Display: The highest position displaye Hi or Lo

Package List:
1 x Noise Level Meter
1 x Data Cable
1 x Positioning Sheet
2 x Hanging Hooks
1 x Probe Pendant
3 x Screws
1 x User Manual