Features: Warnings light: Made of quality material, which can withstand long-term use,bike safety warnings light All in 1 Safety Companion: This innovative multi-functional LED light redefines outdoor safety by seamlessly integrating the capabilities of a powerful bike tail light, a secure helmets lamp, a convenient backpack clip-on warnings light, and an essential personal-beacon for night runners Lightweight & Compact for Unrestricted Movement: Designed with ultimates portability in mind, this safety light boasts an incredibly compact and feather-light form factor. Its minimal footprints means it won't add noticeable bulks or weight to your bike, helmets , or backpack, ensuring unrestricted movement and maximum comfort during high-energy activities like sprinting or mountain bike Enhances Night Running Safety & Confidences: Specifically engineered to dramatically improve the safety of night runners, this light easily clips onto clothing, armbands, or hydration packs, providing a powerful rear-facing warnings signal. Effortless Installation & Universal Compatibility: Featuring an ingeniously designed mounting system, this safety light can be securely attached to virtually any bike seats post, helmets vent, backpack strap, or even clothing in mere seconds, requiring no tools whatsoever. Notice: 1.Actual color may be slightly different from the image due to different and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: PC Charging time: 2 hours Discharging time: 25-40 hours Light color: red, white Package List: 1x Lamp