Product Description Material: ABS Size: 8.6*3*2cm Decibel: 130 decibels Alarm duration: 6 hours Lighting time: 20 hours Battery capacity: 120mA (including battery) Color: black+pink, black+blue, black+white Quantity: 2 Package Contents: 2 * Siren 1. Keep you safe: Given the ever-present danger, use a personal alarm to improve safety It's a lightweight but loud and bright portable protective device that can catch attackers off guard and alert others in an emergency. 2. Additional reminder: If you need medical care or help, your personal alarm key fob can grab your attention with a confident voice. It is suitable for children and elderly and girlfriends. It has an early warning effect on the elderly living alone, allowing people to take timely actions to meet the needs of the elderly 3. Easy to use: The product is small and light. It is designed with a buckle for easy movement and versatility. Even your kids can use it, which makes safe sound equipment so easy Easy to use, pull out the stylus to trigger the alarm. You need to press and hold the button to switch to LED lighting mode, then release it to stop the lighting mode 4. Fully Portable: Compared with traditional knives or other safety tools, our products are safer to transport. The emergency keychain alarm can also be taken anywhere along with other items. Just take it to schools, airports, banks and outdoors without anyone suspecting it. 5. Waterproof design: The waterproof design is IP44, which can be used normally even if it rains. It keeps you safe in all weather conditions. It has night light function. Can also be used as night lighting. Practical and functional, also suitable for outdoor activities.