Features: This is a dual function emergency attack alarm, loud alarm is up to 120dB, the sound can reach afar to help you get notice. Can be used as a single woman at night anti-wolf alarm, children's school on the road personal safety alarm, the elderly emergency rescue and other purposes. Easy to use, you can removed the back of the insulation film or pulled out the top of the key ring in emergency situation, personal alarm can issue a high 120dB sound! Plug the keychain to lift the alarm. Portable key chain design, with a clip that can be easily clipped on bag or belt, easy to carry. Different colors for your choice, it's really a useful tool that help women protect themselves safe outdoors. Specification: Material: ABS Plastic Color: Black, White, Pink, Red (optional) Sound: 120dB Battery: Built-in Size: 8 * 2.5 * 1.5cm/3.1 * 1.0 * 0.6inch Package Weight: approx.34g Package List: 1 * Personal Alarm 1、This is a dual function emergency attack alarm, loud alarm is up to 120dB, the sound can reach afar to help you get notice. 2、Can be used as a single woman at night anti-wolf alarm, children's school on the road personal safety alarm, the elderly emergency rescue and other purposes. 3、Easy to use, you can removed the back of the insulation film or pulled out the top of the key ring in emergency situation, personal alarm can issue a high 120dB sound! Plug the keychain to lift the alarm. 4、Portable key chain design, with a clip that can be easily clipped on bag or belt, easy to carry. 5、Different colors for your choice, it's really a useful tool that help women protect themselves safe outdoors.