• Smart light sensing, after turning on the light sensing mode, the lights automatically adjust the brightness of the lights according to the different ambient brightness
• Built-in 5200mAh large capacity battery, with long use time, and can be used as a power bank to charge mobile phone
• Aluminum alloy shell material, high strength and durable
• 5 lighting modes adjustable, low energy consumption
• 1600 lumen high brightness, long lighting distance, enhance safety at night cycling
• IPX5 waterproof, it can withstand the harsh environment

Specification: 

• Brand: WEST BIKING
• Battery: 5200mAh
• Weight: about 195g
• Material: AL6061 aluminum alloy + PP bracket
• Size: about 10.2*5.2*2.8cm
• Brightness: 1600 lumens