• Directly use the usb data cable to charge and charge time is only 30 minutes, then you can get one year in standby.
• 130 dB Safety Emergency Alarm: With ear-piercing sound to draw others' attentions even 300 yards away when you in danger. Up to 90 mins of continuous sound to ensure emergency use. It will replace self-defense devices to protect your safety, as pepper spray.
• 2 Ways to Use: You can pull the contact pin out or press the switch 2 times quickly, to activate alarm.
• LED Emergency Flashlight: Light bulbs are bigger and brighter than flashlights of traditional security alarm.
• Lightweight & Portable Alarm Keychain: Self defense alarm can be attached to purse, backpack, keys, belt loops, and suitcases. It also can be brought onboard a plane, really convenient, fit for Students, Joggers, Elders, Kids, Women, Night workers.

What's in the box
1 x security alarm
1 x USB cable