130 DB Personal Alarm: A good assistant to ask for help in case of danger. A 130DB piercing siren could attract attention from a far distance and scare the attacker away. Provide protection for people, especially women, children and the elderly Battery included: The product comes with 2 AAA batteries, provide alarm duration for 6 hours and alarm time. lighting for 20 hours. You can replace the battery yourself. LED Flashlight: Designed with bright LED emergency flashlight, it is convenient for night jogging, overseas travel, hiking, camping and other outdoor activities, the safe personal alarm can last up to 20 hours. Easy to use: just pull the pin with one hand. Press and hold the button for flash mode. Long duration of continuous sound to ensure emergency use to protect your safety. Will not trigger the alarm easily. Portable keychain: Mini designed, portable to carry. It is not only a personal alarm, but also a key chain, which can be attached to keys, backpacks, belt loops, suitcases, women's leather bags, school bags, suitcases, etc. The pull ring will not fall off