Super loud siren -130dB The mini siren can protect you when you are in danger or need help.Loud sirens have a powerful influence and can also attract attention to others.distance.If you are running alone at night and encounter a bad person following you, you can turn on the alarm clock to ask for help.The alarm is loud, please don't put it to your ears. Waterproof and Rechargeable USB Design - The personal alarm clock has a built-in rechargeable battery.The red light is always on.when charging and the red light is off when charging is complete.The charging time is only 30 minutes and it is durable.The personal alarm has a waterproof rating.IP44, which fears neither wind nor rain, and will accompany you 24 hours a day. Flashlight withEmergency LED: the flashlight withBuilt-in LED provides quick illumination when walking in the dark.and can set off an alarm to prevent you from getting lost during travel, or use the flashlight function at home.LED to flash frequently to attract the attention of others.Attract yourself, seek help elsewhere.time and protect your life. Lightweight and portable: innovative designdouble loop can be hung on any wallbagsBackpacks, school bags, wallets, belt loops, suitcases or key chains, providing perfect self-protection functions for students, women, night runners and shift workers.If you need to sound the siren, simply press the SOS button twice quickly or pull the siren tab. Best gift choice: the alarm clock is packaged.Individually and personal alarm clock is the most intimate gift for older children, friends and family.