DescriptionIf you are looking for a professional and affordable self defense alarm keychain, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience.Features-Color:Black-Material:ABS, LED-Size:10.00X3.10X1.35cm/ 3.93X1.22X0.53inBattery: 3.7V 130mAh Alarm time: 70 minutes Lighting time: 240 minutes Flashing time: 300 minutes - Safe choice for the elderly/women/children, the alarm can be used in the following emergencies: when going home at night and being tracked, when children encounter difficulties at home, when the elderly fall and fall ill and no one is there, when the elevator fails, When you get lost and get injured, when you are alone in a car and encounter a bad guy. - 130dB high decibel alarm, in case of danger or emergency, when the plug is pulled out, the high decibel alarm sound will sound immediately and the LED lights will flash. - LED lighting, turn on the lights when you walk alone at night, protect you from the night road. - Integrated design, the integrated design of the interface between the face and the shell makes the product structure stronger and more resistant to falling. - Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.