1、Product Function: When users feel uncomfortable or threatened, this security keychain can attract others' attention and help users prevent attacks. 2、Exquisite Appearance: This keychain alarm features a cartoon bear design, equipped with a 130 decibel alarm and LED light, making it fashionable and cute, perfect for hanging on bags, wallets, and keychains. 3、Convenient to Use: The security alarm keychain is easy to operate and can be activated by pulling out the top pin. The alarm can be activated with LED light, which is very convenient and easy to carry. 4、ABS Material: This product is made of durable ABS material, which is not easy to wear and damage; It can be used by users for a long time without worrying about quality issues; It is suitable as a gift for friends in need around you. 5、Widely Used: The keychain alarm is suitable for the elderly, women, and children of different age groups. it is mini and compact, and can be carried around from morning to night; It is also very suitable for running, campus, parking lots, self driving, outdoor travel, office and other places. Item Type: Self security alarm Material: ABS Weight: 86.00g/3.03oz Single Product Battery: 3 LR44 button cell (included) Single Battery Capacity: 160mAh Product Size: Approx. 66x38mm / 2.6x1.5in 2 x Self Security Alarm