Weatherproof Personal Alarm with Rip Cord Activation and Attachment Utility Strap (PPS-25WPB Waterproof Blue) 100db Weatherproof Personal Alarm RipCord style activation for emergency alarm Utility attachment strap for backpacks, shower hooks and more Clip for attachment to belt loops, neck lanyard (sold separately) or keychain Alarm test and light test buttons, plus batteries included