GA6038—Personal Alarm SOS Panic Button

USB Rechargeable Battery: Personal alarm siren is made of rechargeable lithium battery. Don’t need to replace the battery, 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. Ways to Use：You can pull the contact pin out or press the switch 2 times quickly, to activate alarm.