Feature: 1. Perfect Accessory for Safety: Built in LED flashlight, designed for early morning or late night jogging, letting your children join parties, late night walks, dog walking, medical emergencies, and more. 2. USB Rechargeable: This self defense keychain can be charged with a USB charging cable and is fully charged within 1.5 hours, no worry about running out of battery for your safety sound alarm! 3. Quick and Simple Activation: Double click the SOS button in an emergency to initiate an alarm sound of up to 130dB and flashing lights, pressing it again turns off the alarm. 4. Portable and Convenient: The keychain alarm is portable, easy to store and carry, and easily attaches to ladies' bags, keyrings, backpacks, wallets, school bags, belt loops, suitcases, dog leashes, and trouser pockets. 5. Lighting Function: By pressing the side light button, the LED light stays on, providing illumination in dark environments, great safety choice for all ages: children, teenagers, women, seniors. Specification: Item Type: Personal Alarm KeychainMaterial: ABS, silicone .Decibel: 130dB Battery: 155 mAh polymer battery (built in) Package List: 1 x Personal Alarm Keychain1 x Charging Cable1 x Manual