- 4-in-1 Multifunctional Design: This versatile device combines a taillight, brake light, anti-theft alarm, and bike bell, ensuring you have all essential safety features in one compact unit. - Smart Light Technology: The warning light activates automatically in low-light conditions such as tunnels or nighttime rides, enhancing your visibility. Additionally, the brake light instantly illuminates when you slow down or stop, alerting others to your presence. - Effective Anti-theft System: When parked, the device can be armed to deter potential thieves. It features a loud alarm and blinking light that activate to protect your bike, providing peace of mind while you are away. - Safety Warning Function: The integrated light and sound warning system alerts nearby pedestrians and drivers, significantly improving the safety of both the rider and the bike. Use Scenarios: 1. Night Rides: Experience increased visibility with the smart light function, ensuring you are seen by others during evening cycling. 2. Urban Commuting: The anti-theft feature secures your bike in busy areas, allowing you to focus on your commute without worrying about theft. 3. Mountain Biking: The brake light function provides essential warnings to others when navigating downhill, promoting safety on rugged terrains. This product is compatible with most bike models and is designed for easy installation. Its durable materials ensure long-lasting performance, making it a reliable companion for all your cycling adventures.