SmartSensor AR884A Smart Wall Sound Level Meter

1. 9.5 inch super large full screen LCD with big bold red font to display for easy reading.
2. 24 hours real-time monitoring of sound level.
3. Wall-hung stand (recommended) or freestanding on desk.
4. Wide measuring range from 30dB to 130dB, Frequency: 31.5Hz - 8KHz, Resolution: 0.1dB/1dB.
5. Buzzing and flashing to remind when the real-time measurement has reached the alarm level, and hold the data for 3 seconds, then return to normal mode.
6. Suitable for sound level control and monitoring for personal, family, business, study, industrial use, etc.