Portable 130dB Personal Alarm Anti-harassment Alarm Device Specifications: Scope of application: Personal defense, outdoor rescue Volume: 130(db) Lighting function: LED Working voltage: 3(V) Working current: ≤ 80(MA) Color: Black Power supply mode: 2x AAA battery(Not included) Continuous alarm duration: 1.5 hours Standby duration: 2 years Features: 130dB emergency alarm, with button activation and hidden OFF button. Convenient to carry: you can put the alarm clock with your wallet/bag/backpack clip. Standby horn: built-in standby emergency manual horn is used for emergency use in case of battery failure. This emergency alarm is equipped with built in LED flashlight to bring you light in dark conditions, which is more convenient and practical The safety sound personal alarm uses quality ABS plastic, which is resistant to fall, crush, voltage, and high temperature, and the copper plug will not rust; How to use: 1. Pull out the bolt and immediately send out an alarm, and the LED light will flash. 2. Push back the bolt to turn off the alarm sound and light. Package Included: 1x Alarm