【Powerful 130dB Alarm】Featuring an exceptionally loud 130dB alarm, this personal safety device outperforms most similar products that typically offer only 125dB 【Ultra-Bright LED】Equipped with a high-intensity LED light that emits 10 lumens, providing excellent visibility in dark situations 【Convenient Power Source】Powered by easily replaceable AAA batteries(not included), ensuring you're never without protection 【Easy Activation】Features a pull-ring activation mechanism for quick and simple use in emergency situations 【Long-lasting Performance】Offers extended operation times for various functions, ensuring reliable protection when you need it most 【Use Scenarios】Suitable for children going to and from school, women running alone at night, elderly people seeking emergency help, cycling flashing mode, outdoor beast repelling, etc. Specifications: Product Name: Personal Alarm Alarm Volume: >130dB LED Brightness: 10 lumens Power Source: 2 x AAA batteries(not included) Activation Method: Pull-ring Material: ABS Dimensions: 88*31*18mm Alarm Type: Sound (130dB) + White LED light Alarm Duration: ≥2.5 hours Continuous Lighting Duration: ≥10 hours Flashing Light Duration: ≥20 hours Standby Time: ≥2 years