Over 135dB super loud self-defense siren with high intensity flashing strobe light provide security for you and your loved ones. This personal alarm can also widely used by seniors to call for help in case of falling, feeling unsafe, physical threats, medical emergencies, accidents or allergic reactions. Battery recharged via Type-C(charging cable included), with battery charging indicator and low battery warning functions. More Stronger and Convenience: The LED emergency flashlight of self-defense keychain is bigger and brighter than a traditional security alarm, light time of 60 min and a flash time of 60 min; it uses environmentally and durable recyclable ABS material, IP44 waterproof resistance, has portable size can be easily carried around, attached to purse; backpack; keys; belt loops; etc. You can take it even on the plane. Easy to Use: The personal safety alarm siren does not require training or skill to operate, use it in case of emergency or need help, pull up the self-defense keychain alarm, and the personal alarm will sound, inserting it to stop. Protect yourself in a moment of need with a defense siren. This handheld siren noise maker is the best safety and self-defense gift that can bring peace of mind to you and those you care about. Perfect gift for birthday, thanksgiving day, Christmas, housewarming parties, Valentine's Day and other occasions.suitable for people at all ages such as students, elderly, children, women, night workers and so on; You can also use them for traveling, hiking, camping and dog walking at night.