Description: USB Rechargeable Bike Lights - Both lights are USB rechargeable, fully charged -off system function which ensures safety and longer battery life. Adjustable brightness of bike lights - front light of bike light is equipped with , Press the toggle buttons to choose 4 modes of full brightness / half brightness / slow flashing / fast flashing. Durable and carry - Bicycle Lights case is made of aluminum alloy, which makes strong, light and durable. IPX4 waterproof function, water from (please don' it under water, heavy , or other humid conditions for a long time). install: Comes with a mounting strap which can be easily attached to the handlebar, that fit perfectly into most size seat posts. Both the headlight taillight can be easily loosened and fixed and are required. Multi Purpose Bike Lights - Not only as a bicycle light, it also can be used emergency flashlight, flashlight, helmet headlight for cycling, camping, walking or other night work. Enjoy greater visibility and comfort knowing that you any time of . Specification: Material: aluminium alloy, ABS plastic Size: 45x45x40MM / 1.8x1.8x1. Package Includes:() 1 Set Bike Light