• Made of high-quality aluminum alloy material, high strength and durable
• Built-in 2500mAh large capacity battery, with 5 hours of use time
• 3 lighting modes are adjustable, convenient to use
• 600-lumen high brightness, with long lighting distance, improves safety at night cycling
• Daily life waterproof, the lamp can withstand harsh environments 

Specification: 

• Material: aluminum alloy
• Modes: strong light - low light - strobe
• Zoom: Fixed focus
• Power: 10W
• Charging method: USB charging
• Battery voltage: 3.7V
• Battery capacity: Built-in 1 x 2500mAh 18650 battery
• Product size: 9.3*3*3cm