• 【Intelligent Light Sensing】Features automatic on/off functionality in any mode, adjusting brightness based on ambient light conditions for optimal visibility and energy efficiency.

• 【Powerful Illumination】Equipped with 5 XTE main LEDs and 4 auxiliary LEDs, providing 400-800 lumens of brightness and a beam distance of 200-300 meters for superior night riding visibility.

• 【Safety Warning Lights】Incorporates alternating red and blue warning lights to enhance cyclist visibility and safety on the road.

• 【Long-lasting Battery】1200mAh built-in lithium battery with Type-C fast charging supports up to 3-4 hours of continuous use, ideal for extended night rides.

• 【Weatherproof Design】IPX4 water-resistant rating ensures reliable performance in rainy conditions, making it suitable for various weather scenarios.

• 【Versatile Mounting】Lightweight 89g design with a dual bracket suspension system allows for easy installation on various bicycle types and handlebars.

• 【Multiple Lighting Modes】Five versatile modes including combinations of main and auxiliary lights, solid red, and alternating red-blue flashing for adaptability to different riding conditions.

Specifications:

• Model: BK002
• LEDs: 5 XTE + 4 LED auxiliary + 3 LED red + 3 LED blue
• Dimensions: 7.8 x 5.2 x 4.5 cm
• Weight: 89g
• Material: ABS
• Switch: Dual press switch (light switch + light sensing switch)
• Battery: Built-in 1200mAh 18650 battery
• Charging: Type-C USB charging
• Charging Time: ≤2.5 hours
• Runtime: 3-4 hours
• Modes: 5 modes (Main LEDs, Auxiliary LEDs, Main + Auxiliary, Red, Red + Blue alternating)
• Water Resistance: IPX4
• Lumens: 400-800 lumens
• Beam Distance: 200-300 meters
• Display: Digital percentage LED battery indicator, green lightning icon when charging