125 dB Alarm: Thicker copper sounders compared to other competitors' ultra-thin iron speakers are carefully tested by experienced staff before shipping. They can attract others' attention with sound even from 300 meters away. Wide Applications: Personal alarms with LED lights, emergency alarms, can be used for night lighting, suitable for students, the elderly, children, women, night workers, and other people of all ages; you can also use them for traveling, hiking, camping at night, and walking the dog. Durable and High-Quality: The portable personal alarm is made of high-quality and durable ABS plastic, which is resistant to drops, pressure, voltage, and high temperatures. The copper connector does not rust, is beautiful and durable, and will not be damaged in your worst case scenario. Compact and Practical: The personal alarm has a portable size that is easy to store and carry; It can be hung on ladies' bags, backpacks, school bags, belt loops, travel bags, keys, dog leashes, etc.; you can even carry it on the plane.