Main Features: 130db safesound personal alarm when in danger, the sound is loud and dramatic even at a long distance, deterring attackers. The built-in led light, activated by pressing a button, is used to illuminate dark areas, find key holes, or provide light. Made of eco-friendly and durable ABS plastic, resistant to falling, crushing, high temperature and will not break in the harshest environments. Come with 3 pcs. Batteries, will last up to 365 days before you have to consider replacing them. It looks very fashionable. The Keychain Self-Protection Alarm is small and portable, can be installed on backpacks, belt loops and suitcases. It is an essential accessory that protects you from risk/danger or bad person, suitable for students, runners, seniors, people with disabilities, night workers and lonely workers. Specification: Material: ABS plastic Color: Black, Blue, Gold, Purple, Silver, Rose Gold, Pink, Green, Red, White Battery: 3pcs x LR44, 1.5V Battery life: 1.5 hours (continuous alarm sound). LED emergency light: 24 hours of lighting. Working Voltage: 4.5-6V Working Current: 100mA Size: 64x40x21.5mm Package Included: 1PC x Personal Defense Alarm (Batteries Included) Note: Please allow 1-3cm differences due to manual measurement. Due to the difference between different monitors, the image may not be