【Personal Alarm for Protection with a Loud Buzzer】When you activate a personal alarm, it's for emergencies. You want a loud sound that can be heard as far as possible, right? This personal alarm, despite its compact size, can emit a loud 130dB alarm sound, reliably alerting those around you to danger in an emergency. 【USB Rechargeable, Eliminating Troublesome Battery Changes】This reusable USB rechargeable personal alarm is not only eco-friendly and economical but also eliminates the hassle of battery changes. You can rest assured that it won't run out of battery when you need it most. It only takes 30 minutes to charge! A full charge allows it to sound for 50 minutes! 【IP44 Water Resistance for Peace of Mind, Even on Rainy Days】With IP44 water resistance, the risk of the alarm breaking is reduced even if it gets wet from raindrops falling from an umbrella on a rainy day. Its simple and stylish design makes it suitable for children and adults alike, without looking out of place. 【Bright LED Light for Use on Night Roads】A wide LED light is attached to the bottom of the personal alarm, allowing it to be used like a flashlight. It can alert others to danger with both sound and light. It's also convenient for working in dark places or when retrieving your house keys. The light has two modes: steady and flashing. 【Two Simple Ways to Operate】How to activate the alarm: (1): Pulling out the pin will activate the loud alarm. To turn it off, reinsert the pin. How to activate the alarm: (2): Pressing the SOS button twice will activate the alarm. To turn it off, press and hold the SOS button. Thank you for viewing.