• With 15 lighting modes, this super bright bike light promptly provides warning the people cycling behind you
• Built-in 600mAh rechargeable lithium battery, convenient to charge power by the included charging cable
• This is great for cycling at night or in places where visibility and safety are concern
• Waterproof design, allowing for reliable usage in any harsh environments, giving you the perfect experience

Specification:

• Material: aluminum alloy
• Weight: about 45g (only taillight)
• Size: diameter about 40mm, thickness about 38mm
• Battery capacity: 3.7V 600mAh lithium battery
• Waterproof: IP66 waterproof
• Lamp beads: high brightness LED
• Remote control: 5-20 meters
• Features: Colorful seven colors/15 modes/double bracket installation/brake sensor/aluminum alloy material/high-brightness lamp beads/Type-c charging/automatic sleep/vibration wake-up/memory mode/power display/long-lasting battery life/turning tail light