DescriptionAs a bike computer, 27 Functions includes: clock, measuring average speed, trip distance / ride time, Temperature and other real-time riding data, etc. Quickly and accurately get the data you need. Suitable for most types of bicycles.Perfect to use when hiking, climbing, riding and other outdoor actives.Features- Color: Black- Material: PVC- Size: About 6.5x4.1x2cm- 27 Functions includes: clock, measuring average speed, trip distance / ride time, Temperature and other real-time riding data, etc.- Waterproof design makes it practical for outdoor cycling.- Suitable for Road bicycles, mountain bikes, folding bikes,and other common bicycles.- for hiking, climbing, riding and other outdoor actives.- Note: English language. Press any button during 18 to 8, back Light will be on for 5 seconds, it won't turn on for the rest of the time.