Rechargeable Personal Safety Alarm for Women - 130dB Self Defense Keychain Alarm Whtle with SOS Strobe Light, Low Battery Notice - Security Protection Devices for Kids Elderly College Essentials

Ideal door alarm for kids safety to prevent children babies going out without notice. Also perfect entry warning for your home, office, apartment, garage, dorm, RV and so on. Easy to install by simple peel and stick as includes double sided tape! No wiring needed! No screws needed! Includes four ultra-thin door and window alarms, each with 2 adjustable settings off/on, each with 3XLR44 Batteries included.