... 2white led 4,Easy change battery High flexible water-resistant silicone bicycle light1.high flexible waterproof silicone material2.steady,durable,high ... work safely 1)The external layer covered with water-resistant,flexible silion body,silicone,steady,durable,high tension stress2)multifunction ... can be mounted on bicycle handle, seatpost, helmet, wheel, bag and so on.3)Mounted on the ahead of safety ...