It will alarm loudly when it detects smoke in your house, push the message to you via phone app, and remotely remind you to take action. Once it detects the smoke and fire hazard, the flashing red LED indicator and the loud buzzing alarm with 85dB will immediately remind you to take action to protect your home and family. With the HomeMate APP, you can check the real-time status of your home from anywhere, and take action in advance to avoid an accident.