Deep Siren Pro produces an alert siren with rhythmic vibration. Have fun with friends for a while. You have an option to turn off and on the vibration engine. The app will be helpful when you are in a dangerous situation. Find a sound rhythm by installing it on multiple devices. Keep in mind that it can override silent mode. Deep Siren pro offers high-quality wav sound, Are you ready to tap the alert button? Disclaimer : Listening at a high volume for a long time may damage your hearing. Raise the volume above safe levels.