Description:With LCD display- Bright LCD display to easily view ride statistics.Multi-functions- Small size, light weight, wireless. This bicycle computer measures speed, distance, and riding time. Exactly what any bicyclist or fitness needs to know for stats tracking.Backlight- Provides backlight for easy viewing during dark hours.Easy to install and use- Simple installation that only takes a few minutes. Easy to navigate interface with only two buttons to access all measurements.Applicable- Road bicycles, mountain bikes, folding bikes,and other common bicycles are compatible with this bicycle computer. Specifications:Material: metalSuitable for: horizontal tube size 31.8mm, vertical tube size 28.6mmColor: black Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding< br> 2. The color may vary depending on the display. Please understand< br> Note: Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name) is incorrect, the order will not be delivered correctly.) Package Include:1 x Main unit1 x Magnets1 x Double-sided foam tape1 x Sensor1 Set x Cable tie1 x English manual