11 inch LED 3-IN-1 Decibel Meter is multi-functional, it's a accurate noise temperature humidity meter, equipped with 4-color alarm icons, which is more convenient to monitor the decibel level, an ideal sound level meter to test the sound level for Classroom, traffic routes, factories, construction site, home, offices, etc.

Dual-Usage Decibel Meter:
Can be mounted on the wall or place on the table

4 Colored Icons Indicator:
Noise Alarm Icons will automatically switch when the decibel at different level

Adjustable Brightness:
Press [UP] and [DOWN] buttons to adjust brightness

Fast/Slow Button:
Press [M] button to choice of 3 sampling speeds: Fast, Medium, Slow

Large Capacity Lithium battery:
this decibel meter powered with 2000mAh Lithium battery

11'' Large LED Display:
could see the real-time level of Decibel, Temperature and Humidity Clearly

10 FEET(300CM) Charging Cable:
Can mount the sound meter in anywhere you want, no worry the charging cable is not length enough

Specifications:
Measurement range:30~130dB
Accuracy: ±1.5dB
Frequency response range: 50Hz~8.5KHz
Humidity range: 20~85%
accuracy: ±5%
Temperature range: 14~122℉
Product Dimensions:10.6x 3.5 x 1.4 inches
Item Weight:11.3 Ounces