Feature:1. Ultra High Decibel Alarm: This personal alarm has a loud sound of 130db or greater and with LED lights. The security alert will remain in place for 70 minutes and will quickly attract the attention of those around you.2. Durable One Piece Structure: The alarms are made of ABS material, and each alarm has been tested for high impact resistance and durability, and can withstand falls.3. Light and Portable: The security alarm key chain is small and portable, with a firm mountaineering buckle, can be carried around, added to the key chain, backpack, school bag, bag.4. Easy to Use and Rechargeable: Just pull the latch from the top of the alarm to send an alarm. If you want to close, plug the latch back, the elderly, children use it easily. It is rechargeable, easy to charge at any time.5. Multifunctional: The alarm can not only be used to protect personal safety, but also can be used as a regular emergency alarm. Suitable for students, female emergency protection themselves.Specification:Product Name: Personal AlarmMaterial: AbsProduct Model: Af-2004Alarm Time: 70 MinutesLighting Duration: 240 MinutesFlashing Duration: 300 MinutesScope of Application: Personal Self Defense, Outdoor DistressVolume: 130 (Db)Lamp Bead Brightness: 40lmBattery Type: Lithium BatteryBattery Model: 502020Battery Capacity: 130mah (Shipped with Built-In Battery).Package List:1 x Alarm1 x Climbing Buckle1 x USB Charging Cable1 x Instructions