This decibel meter tool can measure the sound level in real time as well as track all records in graphics and text. The duration for all levels over 80db is counted in order to protect your hearing (The hurt is likely to happen if this duration is more than 8 hours).
+ Calibrated with a professional high-precision sound level meter.
+ Tracking all sound levels over 80 db and show you the total harmful dB duration and details before it hurts your hearing ( the reference duration is 8 hours and above) .
+ Show users real-time dB in graphics as well as store the records with renaming feature.
+ Support iTunes File sharing feature, easily transfer records from your devices to a computer.
+ It can work in the background.