LOUD ALARM: Keychain mini personal safety alarm. This 130DB portable safety alarm emits a very loud and startling sound, enough to deter an attacker or attract help in a crisis. HIGH QUALITY & DURABLE: The portable personal alarm uses superior environmentally friendly and durable ABS plastic, resistant to drops, crushing, and tension, and high temperatures, and the copper plug, not rusty, heart-shaped design, beautiful and durable, won't break under your most adverse conditions. PORTABLE & PRACTICAL: Lightweight compact design and easy operation, hanging directly on your bag or neck, reducing the risk of harm. The loud alarm sound increases the chance of getting help. Can be carried around as an anti-wolf alarm, can also be used for home security. EASY TO USE: Excellent heart-shaped design makes these personal alarms fashionable and easy to grip, and its easy-to-operate activator provides great convenience. Simply pull the tab to activate the personal alarm while inserting the tab to stop. Really convenient for the elderly and children. MULTIPURPOSE: Self-defense alarm for women, safety protection for children, and SOS alarm for the elderly. Lightweight compact design and easy operation, hanging directly on your bag or neck, reducing the risk of harm. The loud alarm sound increases the chance of getting help. They are thoughtful gifts for your loved ones, friends, the elderly, and children.