Describe:<br> <br> <br> <br> <br> <br> <br> <br> 1. Material: high-quality ABS+PC material, anti-drop, scratch-resistant, long service life.<br> <br> 2. Wick: Multi-light source lamp bead design, equipped with LED+SMD lamp beads, high brightness, pure color rendering, long life and stable light source output.<br> <br> 3. Charging method: diversified USB charging system, compatible with multiple charging methods, convenient and practical.<br> <br> 4. Illumination mode: 5 levels adjustable (main light: white light strong light/white light low light; secondary light: red and blue flashing/white light strong light/white light weak light) The light can be changed according to different use environments, which is easy to use.<br> <br> 5. One light for multiple purposes: This product can not only be a bicycle taillight, but also can be used as a helmet light, backpack light, shoulder clip light, running light, night running light, warning waist light, etc., which can meet multiple purposes at one time and is convenient and practical.<br> <br> 6. Suitable for: running, fishing, cycling, climbing, dog walking, patrolling and other outdoor scenes.<br> <br> Specification:<br> <br> Name: USB rechargeable red and blue warning light bicycle tail light LED shoulder clip light helmet light<br> <br> Colour: Black<br> <br> Lamp beads: LED+SMD (red/blue)<br> <br> Charging method: USB charging<br> <br> Use battery: built-in polymer lithium battery<br> <br> Battery capacity: 800 mAh<br> <br> Charging time: 3 hours<br> <br> Working time: 1-2 hours<br> <br> Lighting mode: 5 levels adjustable (main light: white light strong light / white light low light; secondary light: red and blue flashing / white light strong light / white light weak light)<br> <br> Waterproof grade: life grade waterproof (not immersed in water)<br> <br> Maximum range: 100-200 meters<br> <br> Size: 7*2.5cm<br> <br> Gross weight: 43g<br> <br> Packaging:<br> <br> 1*tail light