Enhance your Alarm Security System and let the neighbourhood know you have whole-home security covered. If there's an emergency, Outdoor Siren can help others quickly identify your home with an adjustable volume siren and flashing LED lights. Connect an additional compatible power source and turn on the Dusk to Dawn feature to use Alarm Outdoor Siren as an everyday security sign. Add Outdoor Siren outside your home to alert others if an emergency arises at your home. If Alarm is triggered, Outdoor Siren emits a security siren and flashing LED lights to alert others and help locate your home.