Ultra-loud siren The -130dB mini siren protects you in case of danger or need help. The loud siren has a powerful impact and can also attract attention from a distance. If you are running alone at night and encounter bad people following you, you can activate the alarm and ask for help, the alarm sound is very loud, please do not put it to your ear. Waterproof and rechargeable USB design - The personal alarm has a built-in battery that can be charged cyclically. The red light is always on when charging and off when charging is complete. The charging time is only 30 minutes and it is long-lasting. The waterproof rating of the personal alarm is IP44, which is not afraid of wind or rain and can protect you for 24 hours.Emergency LED Flashlight: The built-in LED flashlight provides quick lighting when walking in the dark and can trigger an alarm to prevent you from getting lost when traveling, or use the LED flashlight function, which flashes frequently to attract the attention of others. draw yourself, to ask for help in time and to protect your life safety.Lightweight and portable: The double buckle design can be attached to backpacks, school bags, wallets, belt loops, suitcases or keychains, and provides perfect self-protection features for students, women, night runners and night shift staff. If you need to sound the siren, just press the SOS button twice quickly or pull the siren tab.Best Gift Selection: The alarm is individually packaged. The personal alarm is the most intimate gift for older children, friends and family.Alarm mode: pull button/alarm buttonDecibel: 130 dcibelsProduct battery: 130 mAh rechargeableProduct size: 70x30x17mmLighting mode: LED light/LED flashProduct material: ABSDelivery quantity: 1 pieceWelcome to meet,"