ROCKBROS Bicycle Tail Light Rear Light 10 Modes Lighting Smart

• [10 Colorful Lighting Modes] In addition to the regular red warning light, it comes with a variety of colors and flashing patterns.You can enjoy your own style while ensuring visibility when driving at night.You can smoothly switch modes with one button, and it has a function that remembers the previous mode even when the power is turned off.You can use the same mode the next time you start up. • [Brake warning & photosensitive/vibration detection automatic on/off] This bicycle tail light is equipped with a smart brake warning function, and when it detects braking or deceleration, it will emit light at maximum brightness to alert those behind you.The light turns off automatically in a bright place (such as under strong sunlight) or after 30 seconds after stopping, and turns on automatically in a dark place (such as in a tunnel) or when vibration is detected.*Please note that the vibration sensor and light sensor do not function in red constant light mode and red high-speed flashing mode! • [500mAh lithium battery & Type-C charging] The backlight is equipped with a large-capacity lithium battery and can be repeatedly recharged with Type-C.Achieves continuous lighting for up to 27 hours (in upward flashing mode), eliminating the worry of running out of battery in a short time.A blue battery status light will notify you when the battery is charging and when the battery level is low, making it easy to know when to charge.*Charging time: Approximately 2H.A charging cable is included. • [High-quality materials & IPX5 waterproof] The bicycle tail lamp is made of high-quality ABS + PC material, and the main body is ultra-lightweight at only 26g.It has excellent toughness and impact resistance, and the streamlined shell that resembles a water drop provides a light and unique design.IPX5 waterproof technology provides reliable waterproofing in any bad weather or on bumpy roads.Protect your tail lamps from water that can cause malfunctions!It can be used not only for everyday use such as commuting to work or school, but also for outdoor activities such as hiking and cycling. • [Easy installation & after-sales service] Can be installed on either the seat rail (under the saddle) or the seat post (necessary tools for both installation methods are included).You can quickly install it according to your car body and preferences.*There is a one-year warranty period, so if the product breaks during this period, please feel free to contact us.We provide safe and satisfying after-sales service at all times.Please rest assured.