Come and see our amazing products. Bike remote control tail light have 5 flash mode: always on, cool flash, left turn, right turn, marquee,the surface waterproof effect makes it especially suitable for night riding and use in low visibility. It does not support diving, dry it in time after getting wet in the rain, store it in dry place. It is bright enough to be seen from 150ft away in foggy,rainy day or in dark night, light adjustment and horn control without the need to off when riding. Charging by USB, the capacity is 200mAh, standby time last 6 months. Pls confirm with us about the packing info, stock color and exact production time before placing your order