1、HIGH BRIGHTNESS AND SAFE: LED lights are very bright, covering a wide range, bring long distance experience, allowing you to see a wider and farther area when riding at night, making your riding safer 2、BUILT IN BATTERY AND PROMPT LIGHT: USB bike light has built in rechargeable battery, running time is about 15 hours (low light), temperature control and protection IC, prolong battery life. When the power is less than 20%, the switch light turns red to remind users charge in time 3、STABLE AND NOT SHAKING: Comes with a stable threaded fixing base, which can be well bound to the bicycle head, will not shake, and can be freely disassembled. When the base is disassembled, can be directly used as a flashlight for camping, maintenance, and emergencies 4、SWITCHABLE MODES: There are 3 modes of high brightness, medium brightness and low brightness, which can be freely switched according to your needs 5、WIDE APPLICATION: Also has a flashlight function, which can be used in various scenarios such as cycling, camping, night fishing, walking, etc. 1 x Light1 x USB Cable1 x Base Item Type: Rechargeable Bike Light SetMaterial: Aluminum alloyProduct Size: Approx. 118 x 46 x 30mm / 4.65 x 1.81 x 1.18inPower Supply Battery: 1 x 18650 lithium battery 3000mAhLight Source: White lightMode: High light, medium light, low lightControl: ButtonProtection Class: IP65Range: Approx. 150meter / 492.1ftWeight: 223 g / 7.9 oz(approx.)