Awesome siren defense keychain for everyone. Commonly used by the elderly to call for help when falling, feeling unsafe, physically threatened, medical emergencies, accidents or allergic reactions, etc. Yeuri Our personal emergency alarm siren self-defense with dual speaker can be 130db loud. It can attract attention when needed from hundreds of feet away, while scaring off active attackers or stalkers. Moreover, its strobe light can flash the gansters eyes when the arlam starts, besides the loud alarm, the gansters will be scared. The situations where we see the personal security alarm used most commonly include school bullying, emergency self-defense situations, burglaries, night running or walking the dog, etc. For women, girls, children and seniors. Features: - Dual speakers with 130dB sound - be heard from hundreds of feet away. Frighten your attacker while simultaneously attracting help. - LED strobe light - flashes gansters eyes when alarm starts. - Easy to use - just pull the pin and the siren will swing and the storm light will flash. - Lightweight and portable alarm keychain: the self-defense alarm can be attached to purse, backpack, keys, belt loops, suitcases, etc. It can also be carried on a plane, really convenient, suitable for students, joggers, the elderly, children, women, night workers, etc. Specification: Volume: 130 decibels Material: ABS Alarm time: 6 hours Size: 86*30*20mm Lighting time: 20 hours Colours: White, Black Battery Capacity: 120 mA Quantity delivered: 2pcs Note: With battery inside, no need to charge and no need to put the battery, it can last about 25mins.