Features: brand new and high quality Self defense keychain is made of ABS-materials, practical and durable. 130db, the-emergency alarm can make a loud sound to pay attention to protect you from having an-emergency. The sounds could last 50 minutes continuous ear-piercing alarm. The safety alarm keychain has a portable size for easy storage and carrying; it can be attached to womens bags, backpacks, school bags, suitcases, keys, dog belts and so on. This smartly-designed personal protection-tool is quick to activate in high-risk situations for help. Or just press the "S-O-S"-button quickly twice to activate the shrill and deafeningly loud alarm. With LED lights, the-emergency alarms can be applied for night lighting, suitable for people at all ages such as students, elderly, children, women, night workers and so on; You can also use them for traveling, hiking, camping and dog walking at night. Specifications: Material: A-BS Size: approx 69x41x20mm/2.72x1.61x0.79 inches Color: Black/White/Pink/Blue/Green/Purple Charging Voltage: 5V Charging Current: 1A Battery Capacity: 150MAH Package Includes: 1x Personal Alarm note: Please allow 1-2cm errors due to manual measurement. Due to the-difference betweeen different monitors,the pic-may not reflect the actual color of the item.