- Mini sound level meter with Bluetooth
- 1/2″ electret condenser microphone
- 4 digits LCD display with a 0.1dB resolution
- Data hold and max/min functions
- Backlight display
- Low battery, over range/low range indicated
- Auto power off and disable auto power off
- 0.5times/sec display update and auto range selection
- 9V battery power supply
- Free personalised calibration certificate. Calibrated before despatch with your details on the certificate