Tenma ST-95 Mini Sound Level Meter with Bluetooth

The ST-95 from Tenma is a 130dB, 8kHz sound level meter with Bluetooth, featuring a 3dB accuracy, 0.1dB resolution and a maximum operating temperature of 40°C.
4 Digits LCD display
Microphone 1/2 electret condenser microphone
Frequency range: 31.5Hz - 8kHz
Measuring range: LO: 35dB - 80dB Med: 50dB - 100dB Hi: 80dB - 130dB Auto: 35dB-130dB
Frequency Weighting: A and C
Bluetooth interface transferring files to portable devices
Operating Temperature and Humidity: 0 °C~40°C, 10%RH~90%RH
0.5times/sec display update and auto range selection
9V battery power supply
12-month limited warranty (view Terms and Conditions for details)

Specifications:
Frequency Range 31.5Hz ~ 8kHz
Accuracy 3dB (under reference condition of 94dB, 1kHz)
Range 35 ~ 130dB
Measuring Range Lo: 35dB ~ 80dB Med: 50dB ~ 100dB
Hi: 80dB ~ 130dB Auto: 35dB ~ 130dB
Frequency Weighting A and C
Microphone 1/2" electret condenser microphone
LCD Display 4 digits LCD display with a resolution: 0.1dB
Display Update 0.5 times / sec.
Operating Temperature
and Humidity 0°C ~40°C, 10%RH ~ 90%RH
Storage Temperature and
Humidity -10°C ~+60°C, 10%RH ~ 75%RH

Bluetooth Yes
Max / Min Yes
Auto Range Selection Yes
Data Hold Yes
Backlight Yes
Over Range / Low Range
Indicated Yes
Low Battery Indicated Yes
Auto Power Off Yes
Power Supply One 9V battery

What's in the box
1 x Sound level Meter