This wireless bicycle computer odometer speedodemeter design with function of water resistance can be used for rain day. It can display current speed, max speed, average speed, trip distance, and more, and also gauges total distance and elapsed time; auto start/stop function. * Compact design make it easy to install, and it also features digital coded wireless, which can make it convenient to program. * 5 LED Waterproof Bicycle Front Head Light adopt latest light-focusing technology, gives you the excellent brightness in the dark or in strong backlighting which can make you riding safty at night. * 3 Rear Flashlight with wide beam, a long lifespan and low heat generating. 4 flashing modes, change mode by pressing the button at bottom. Power by 4 x AAA batteries (not included) * Kit Includes: 1 x Wireless LCD Bike Bicycle Computer Odometer Speedometer( 3 x Cable Ties, 1 x CR203 Button Battery for Bike Computer, 1 x User Manual, 1 x Wheel Magnet, 1 x Sensor, 1 x Mounting Shoe), 1 x 5 LED Waterproof Bicycle Front Headlight Lamp(1 x 5 LED Rear Flashlight).