Led bike lighting 1.Silicon case 2.Battery: 2 X CR2032 3.0V(included) 3 Bulb:2 red&2white led 4,Easy change battery High flexible water-resistant silicone bicycle light1.high flexible waterproof silicone material2.steady,durable,high tension stress3. multifunction mounted4.3 change modes:fast flash-slow flash-constant-off(change mode by pressing the ON/OFF button)5. rainproof design-can work in ...