NineLeaf Bike Alarms for Ebikes,Smart Bike Tail Light,Bike Tail Light,IP65 Waterproof,113db super loud,USB Charging, Suitable for Bicycles, Motorcycles, Electric Bikes, Electric Scooters,8PK

【4-in-1 Functionality 】This bike alarm seamlessly integrates four key functions—warning, brake, anti-theft, and electric bell—enhanced by a convenient remote control feature. Offering comprehensive protection, it ensures safety and improves your riding experience, whether navigating city streets or cycling at night. Suitable for bicycles, motorcycles, e-bikes, e-scooters, mopeds, UTVs, ATVs, doors, windows, and more. 【Smart Alert】In smart mode, the bike alarm intelligently detects environmental changes and adjusts accordingly. It automatically lights up when entering tunnels or riding at night, enhancing visibility and reducing the risk of traffic accidents. During braking or deceleration, the brake light instantly emits a bright glow for 2 seconds, effectively alerting others and ensuring safety. 【Anti-Theft Alarm】The bike alarm features an anti-theft alarm function with vibration detection and a loud alarm sound of up to 113 dB, effectively deterring thieves and preventing theft of your bike or the light. The remote control allows for convenient operation, enabling you to deactivate the alarm effortlessly with just one press. 【Waterproof, Dustproof, and Temperature Resistant】Crafted from PC and UV-resistant materials, the bike alarm offers exceptional durability with an IP65 waterproof rating, making it dustproof and capable of withstanding extreme high and low temperatures. It ensures reliable performance in all environmental conditions. Additionally, it comes with a silicone cat face cover for added protection and enhanced durability. 【Energy-Saving Technology】The bike alarm incorporates advanced 4th-generation energy-saving technology, enhancing the circuit design for improved energy efficiency. This allows for a longer standby time, reducing the frequency of charging. Additionally, the bike tail light is equipped with a Type-C charging port, offering convenient and fast charging whenever necessary.