Description: Long press button to alarm, 130dB voice was loud enough to attract the attention of those around it. The built-in 130mah battery can be recharged cyclically. The LED indicator can display the charging status. The red light means charging, and the green light means charging is complete. Light weight and compact design, with Buckle can be carried on bags, keys, school bags, wallets and other personal items. Built-in LED flashlight - for illuminating a dark area, finding a keyhole or looking through your belongings to find an item at night. An excellent security option, Great for kids teenawomen, elderly, students, joggers, etc. Specification: Charging interface: Type-C Volume: 130dB Lighting function: LED Working voltage: 3.7V Working current: 450mA Battery capacity: 130mah Waterproof grade: IP66 Product size: 26x17x68.8mm/1.02x0.67x2.71inch Material: ABS plastic First time use: Requires charging to activate. Alarm function: Double-click SOS: alarm + main light flashes; long press (1.5S) to end the alarm. Flashlight function: short press the light button, the main light is always on. Press again, the main light flashes. Press again, the main light goes out. Package Includes: 1 Piece Personal Safety Alarm 1 Piece USB Charging Cable 1 Piece Lanyard 1 Piece Buckle Note: 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.