Description Quickly and accurately get the data you need! Suitable for most types of bicycles. Perfect to use when hiking, climbing, riding and other . Suitable for most types of bicycles, such as mountain bikes, folding bicycles, ordinary bicycles, dirt bicycles, stationary bikes and so on. Features -Color:As Shown -Material:PC and ABS -Size:6.00X4.50X2.00cm/2.36X1.77X0.79in -Battery: Button battery(Included) -Multi-function operation, this product will let you have more fun in riding. -Easy and convenient to assemble and disassemble, and it will not hurt your bike. -Lightweight and compact, easy to carry around with you when you go out for cycling. -Driving speeds, average speeds, mileage calculation, this product will help you know. -You can share it to your friends who have bike, and they will need this practical tool. Multi-function operation, this product will let you have more fun in riding. Easy and convenient to assemble and disassemble, and it will not hurt your bike. Lightweight and compact, easy to carry around with you when you go out for cycling. Driving speeds, average speeds, mileage calculation, this product will help you know. You can share it to your friends who have bike, and they will need this practical tool.