【2025 Upgraded】 Bike Tail Lights, Smart Rear Bike Light, Auto On/Off 5Modes Bicycle Brake Lights, IP55 Waterproof, USB-C Rechargeable, Ultra Bright

【2025 Upgraded】 Bike Tail Lights, Smart Rear Bike Light, Auto On/Off 5Modes Bicycle Brake Lights, IP55 Waterproof, USB-C Rechargeable, Ultra Bright

✅High-Visibility Brake Light for Safety：The brake light automatically brightens for 3 seconds when braking, enhancing visibility and ensuring safety during night rides. ✅ Multiple Lighting Modes (with Battery Life)：5 modes: steady (5h), slow flash (10h), fast flash (8h), strobe (10h), and breathing flash (15h), providing optimal visibility for different riding conditions. ✅Memory Function & Auto Sleep Mode：Remembers the last light mode used, and automatically reactivates it upon power-up. Auto sleep mode activates after 40 seconds of inactivity, conserving battery. ✅Durable and Compact Design：Made with aerospace-grade aluminum and high-strength transparent PC material, this tail light is durable, shock-resistant, and compact (49mm x 34mm x 34mm) for easy installation. ✅ Fast Charging & Long-Lasting Battery: Equipped with a 3.7V 500mAh polymer rechargeable battery, it supports USB charging (20cm cable) via a 5V adapter, computer, or power bank. The red charging light turns off when fully charged, ensuring you’re ready to go. Brake Sensing Rear Lights, Smart Bike Tail Light, Auto On/Off,6Modes Bike Lights, IP55 Waterproof, USB-C Rechargeable, Ultra Bright LED Warning Back Bicycle Brake Flashlight