1. Strong light/Weak light/Flash/Yellow light 4 modes available,suit to kinds of situation. 2. Built in rechargeable battery,USB charging port which can be connected to Computer,USB socket,Power bank,Charger to charge. 3. The bike lights are available ,stylish and elegant,chic and charming,full of personality,eye-catching. 4. With stopwatch design,large screen display,easy to check out datas,anti-glare design,user-friendly. Please Note: ODO is the total kilometers, is one kilometers, is the top speed, is the average speed, TM is the riding time. Colour:Black Material:ABS Package Contents: 1 x Bike Headlight with speedometers and odometers Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.