Mode 3 - Alert after 3 minute, beeps every 5s for 15s until door closes (Windows, Cabinet door closing reminder... )
Mode 4- Alert after 4 minute, beeps every 20s for 15s until door closes. (Office, Shop door open chime...... )
Easy to Use- Apply tape to the main unit of the fridge alarm and the magnetic strip, peel off the tape to stick them in the right place on the fridge door (Tip: mounting distance between main unit and mini magnet 0.98 inches; triangle marks on main unit and magnet must be aligned)
Low Battery Warning- When the battery is running low, the door ajar alarm will beep for a shorter period of time, indicating that it's time to replace the batteries. When the refrigerator door is left open, the alarm will stop after 30 minutes of continuous activation.