Led bike lighting 1.Silicon case 2.Battery: 2 X CR2032 3. ... :2 red&2white led 4,Easy change battery High flexible water-resistant silicone bicycle light1.high flexible waterproof silicone material2.steady ... ° still can work safely 1)The external layer covered with water-resistant,flexible silion body,silicone,steady,durable,high tension stress2 ...