Features 1、SUITABLE FOR EVERYONE: Get the help you need quickly. Commonly used when feeling unsafe or physically threatened. This safety keychain for women self defend alarm is also used by seniors to call for help in case of fall, emergencies, accidents, or allergic situation 2、NICE GIFT: Self defend siren is a great gift to parents, college students and everyone that work evenings. Wonderful defend safety keychain for everyone 3、YOUR PERSONAL SAFETY DEVICE: The perfect personal alarms for women. Prevent kidnappings and abductions of young children and teenagers with the use of personal safety devices for women 4、MOST EFFECTIVE DEFEND: This self defend keychain for women require no training or skill to operate. Extremely loud(reach up to 130dB). Military grade durability (weatherproof), with 365 day battery life 5、SUPER EASY TO USE: Self defend alarm can be easily attached to keys, purses, backpacks or belts. All day long emergency safety defend alarm. Small and discreet, water resistant Specification Item Type: Self Defend Siren Material: ABS Battery Type: 3 x AG13 Battery Capacity: 315mAh Sound Noise: 130dB Package List 1 x Alarm