[130db High Volume LED Light] 130db high volume security alarm with key fob, can make a huge sound to attract attention even from a distance. Emergency security alarms can also be used as an LED torch to stay safe when walking your dog late at night or opening the front door late at night. It will be a great help to you when you run into problems or need help. [Rechargeable via USB Cable - C] The personal alarm has a built-in 150 Mah rechargeable lithium battery. There's no need to replace the battery, just use a USB Type-C cable to recharge it. Full charge time is 30 minutes and standby time is up to 180 days. The red light flashes when the battery is low, please charge it in time. [Easy to use] Self-defence siren with two alarm methods. Simply remove the stylus or press the SOS button twice quickly to activate the alarm. When you're finished using it, insert the loop into the hole or press and hold the SOS button to disarm the alarm, for the elderly, children and women. [Keychain Design] This beautiful looking Mini personal security alarm keychain disguised as decoration is small enough to go unnoticed. Portable keychain alarm design, making it ideal for hanging on handbags, backpacks, belt buckles, suitcases and keys. [Multiple Functions] This security alarm is a safe necessity for travel, hiking, camping and walking your dog. Designed for all ages, such as students, child minders, walkers, joggers, seniors, night owls, lone workers. Note: when the battery is low, the warning sound and indicators are reduced. Make sure you remember to charge on time.