Meilan X6 rear light with brake light This lamp has a high intensity so that objects can be illuminated from great distances. The lamp has eight flash modes. An automatic night detection ensures that you do not forget to turn on the lamp when it gets dark. In addition, the lamp also switches on automatically when you start cycling. The bicycle lamp has a built-in battery that is rechargeable. Specifications: Lamp color: black Light color: red Material: ABS Dimensions: 6.5 x 5 x 3.5 cm (L x W x D) Power supply: battery (USB rechargeable) Burn time: 36 hours