Loud Sound & LED Emergency FlashlightThe emergency alarm sound can make a loud 130db sound to draw people's attention even at distances as far as 606.9 ft The high decibel sound can effectively scare attacker in danger and seek people around for help. With built-in mini LED flashlight, this safe sound personal alarm keychain keeps your safer on a late night dog walk or when unlocking your front door late at night. It will be your good helper when you have troubles or need help. . RechargableBuilt in 130mAh Lithium-ion battery, can be used repeatedly, USB rechargeable makes the alarm more efficient and convenient. Charging time is only 30mins. Lighting time is about 75 minutes, flashing time is about 5.5 hours, and continuous alarm time is about 50 minutes. . Durable & Best QualityThe personal alarm is made of environmental and durable ABS materials, resistance to fall, high temperature not rusty, beautiful and durable, won't break in your most adverse conditions. We care deeply about our customers and our top priority is to protect your familys safety. If for any reason you are not fully satisfied,we will provide 90-day money-back guarantee for your satisfaction. . Waterproof & Easy to UseGood waterproof and rainproof performance (Waterproof level: IP44) to make you can use it with confidence even on rainy days. Two alarm methods, the alarm device will be triggered by pulling open the ring or pressing the SOS button twice. Finish using, insert the pull ring back into the hole or long press the SOS button to cancel the alarm, simple and convenient operation, suitable for the elderly, children and women. . Protect The Safety Of Your Family Believe me, personal alarms are the best gift God has given you, wherever you go, or if you have children and elderly people in your family, who often walk alone. With it, you can effectively reduce the probability of danger. So you can be sure that the people you love are being protected and dont have to worry about your familys safety every day. .