Sportsrain Wireless LCD Bicycle Computer Odometer Speedometer Battery Powered with Multifunction Ability Comparing Riding Time and Distance Waterproof Universal Use Tough Body (Black with Yellow) The product is battery powered and wireless. Fits any bike with its mounting shoe and offers great value as well. Great for everyday use as well as racing purposes. It comes with a LCD screen which shows almost everything from speed, distance, maximum speed, relative speed, total distance speed comparator etc. The screen is clear and offers crisp visibility. It is fully waterproof so you can easily use it on any weather. If it rains you wont have any tension. The wireless working comes to great help. Comes with a green backlight as well. It is very efficient in its working with automatic On/Off, the body is tough and the design is sleek as well. Perfect for any bike. Black in color with a yellow outline over the LCD. The package includes 1 x Bicycle Wireless Computer Odometer Speedometer, 1 x Sensor, 1 x Mounting Shoe, 1 x CR203 Button Battery for Bike Computer, 1 x 12V/23A Battery for the sensor, 4 x Cable Ties, 1 x Wheel Magnet and 1 x Manual User.