Get help as soon as you need it when an emergency arises inside your home.
Features:
Press and hold the Ring Alarm Panic Button for 3 seconds to sound your Ring Alarm siren. 
If you have Ring Protect Plus and enroll in 24/7 professional monitoring, your emergency contacts will also get a call to confirm the emergency, and emergency responders can be requested. 
Battery life 3 years max. Batteries are replaceable.