SABRE Wireless Elderly Panic Alarm with LOUD 120 dB Siren and LED Light - DIY EASY Installation ATTENTION-GRABBING  extremely loud 120 dB alarm helps call for assistance in an emergency and possibly notifies neighbors (audible up to 750 feet/230M away) USER-FRIENDLY  powerful siren and flashing LED light activated when 3 foot/1M long cord is pulled; easily visible in emergency and from a distance  LED blinks every 30 seconds CONSUMER-PREFERRED  ideal for seniors and others with medical conditions EASY INSTALLATION  no wiring needed (requires 2xAAA batteries, not included) EXTRA LEVEL OF SECURITY  provides battery status update with a low battery indicator