Orders of 2 or more will receive a free gift.Product Description Material: ABS Size: 8.6 * 3 * 2 cm Decibel: 130 decibels Alarm duration: 6 hours Lighting time: 20 hours Battery capacity: 120mA (battery included) Color: black + pink, black + blue, black + white Quantity: 2 pcs Package content: 2 pcs * Siren 1. Protect your safety: Given the dangers that exist at all times, using personal alarms can improve safety This is a light but loud and bright portable protective device that can surprise attackers and alert others in an emergency. 2. Another reminder: If you need medical treatment or assistance, your personal alarm keychain can grab your attention with a confident voice. It is suitable for children and the elderly and girlfriends. It has an early warning effect for the elderly living alone, so that people can take timely action to meet the needs of the elderly 3. Easy to use: The product is small and light. It has a buckle design that is easy to move around and has a wide range of uses. Even your kids can use it, which makes safe sound equipment so easy Easy to use, pull out the stylus to trigger an alarm. You need to press and hold the button to switch to LED lighting mode, then release it to stop lighting mode 4. Fully portable: Compared to traditional knives or other safety tools, our products are safer to transport. The emergency keychain alarm can also be taken anywhere with other items. Just take it to schools, airports, banks, and the outdoors without making anyone suspicious. 5. Waterproof design: The waterproof design is IP44 and can be used normally even when it rains. It can protect your safety in all weather conditions. It has night light function. It can also be used as lighting at night. It is practical and practical and also suitable for outdoor activities.