about this project 130dB Safety Personal Alarm Even within a distance of 301 yards, the emergency siren will sound loud to draw attention and protect you from emergencies. Screeching siren sounds can scare criminals in an emergency and provide you with an important moment to escape or respond. Waterproof and Portable The portable personal alarm is made of high-quality environmentally friendly and durable ABS plastic, which is drop-resistant, pressure-resistant, and voltage-resistant, and can be used normally even if it rains. But don't soak it in water. Portable and easy to attach to your purse, backpack, keys, belt loop and more. Simple control The alarm is easy to operate, just pull out the alarm pin. Push the latch back and the alarm goes off instantly. You need to press and hold the button to enter the LED lighting mode, release the button to stop the lighting mode. Protect your safety The night brings the risk of a bad scene. Most of the day is spent in the dark, so having a light with you is always a bright spot. Built into the keychain security alarm, this is a mini LED flashlight to keep you safe in the middle of the night. PERFECT GIFT IDEA Self defense alarm can be attached to purses, backpacks, keys, belt loops and suitcases. It can also be taken on the plane, very convenient, suitable for students, joggers, the elderly, children, women, night shift workers. You can protect them when you are not around. Size: 66*38*28mm Quantity Included: 2X Siren