The noise always endanger people's health.Our products can help you at any time to test the noise around.Real-time monitoring of the decibel value, so you can accurately judge what the place will impact your health.At the same time, we also offer you to test the decibel value can be marked on the map for your convenience record.Noise to the human mind and physical damage.* Damage to hearing.* Damage the body's cardiovascular system.* Affect the nervous system, people impatient.* The impact of sleep.Environmental dB value.0-50 dB * the normal range, the human body completely no effect.50-90 dB * impact on sleep, easy to make people feel anxious, should not be prolonged in this environment.90-130 decibels * ear pain.More than 130 db * seriously affect the health of the ears, severe can cause a ruptured eardrum.Therefore, we will help you understand your environment noise index.Real-time accurate testing, integration of map features.The software is compact and easy to use, very easy to use.I hope our products can help you.Your support will be our greatest motivation.If you have any suggestions please feel free to put forward our products.