ROCKBROS Smart Taillight for USB Auto IP65 Dustproof and 3 Light Easy Japanese Instruction Manual Maximum Brightness Bicycle LED TL907Q50 Bicycles,

P65 waterproof and dustproof. Safe for use on rainy days and when washing your car. Made of aluminum alloy, it is lightweight and durable. [※Caution※] If your bicycle does not have a rear reflector (red), please use the constant light mode when riding at night. Under the Road Traffic Act, flashing lights and lights of colors other than red are limited to use as auxiliary lights. When using flashing or color modes other than red, please use them in conjunction with a reflector (red).