3-LEDs, with panoramic dome and reflector, light up the full interior of your purse or backpack. Make yourself or stroller more visible in low-light conditions. Piercing 115 dB personal alarm. Lanyard loops onto purse strap for easy access or wear around neck while walking at night. Clip inside purse, backpack, or anywhere you need additional light and security. Long-lasting, replaceable batteries are included.