Wireless Bicycle Computer- Bicycle Speedometer with Multi Function Backlight,LED Clock-Bike Odometer for Cycling,Bikking -No Tool Required,Easy Install Wireless Design: Easy Install for your Love Bike, No need to worry too much cable around your Bike. This is classic wireless and Smart Bike Computer with comprehensive function. It can bring you comfortable Riding and Record your Cycling Speed With this bicycle computer, you can manage your riding life more scientific and more reasonable. It is simple and convenient to use, so it is becoming more and more popular among riders.