Description Made of plastic material, easy to use. Mini size, portable design, allows for convenient use. Suitable for seniors, children, girls, and women during emergencies. Ideal for use on quiet streets, in parking lots, or near home, providing added security. Features - Material: Plastic - Size: Approximately 4.00 x 3.50 x 2.00 cm (1.57 x 1.38 x 0.79 in) - Sound output: Over 125 dB - Power supply: 3 x LR44 batteries (included) - Personal alarm keychain for personal security; simply pull the pin to activate loud alarm - Provides quick attention in emergency situations - Commonly used by seniors to signal for help when falling or feeling unsafe - No training required; simple and intuitive operation - Equipped with LED light; durable with long service life - Useful in situations involving personal safety concerns, medical emergencies, accidents, or allergic reactions - Ideal gift for parents, college students, and individuals working late hours - Compact defense siren keychain designed for personal protection Packing List 1 x Self-defense keychain