CatEye - Go Kit Wireless with HL-EL140 Headlight, Urban Wireless Cycle Computer, and Omni 3 Rear Bike Light READY TO GO: The Go Kit Wireless is a combination of CatEye's best-selling products, providing you everything you need to get on the road. HEADLIGHT: The HL-EL140 headlight has a brighter, more visible light beam than the HL-EL135. It has constant and flashing light modes and battery life up to 200 hours. COMPUTER: The Urban Wireless is the evolution of our simplified wireless computer, offering all your favorite stats, auto start/stop, programmable odometer, and battery life up to a year. TAILLIGHT: The Omni 3 Rear Bike Light's high-power LEDs provide excellent visibility. It offers constant, flashing, and rapid light modes and battery life up to 150 hours. SECURE AND GO: With the included FlexTight Brackets, you can easily mount, adjust, and move your computer and lights by hand. Spend less time setting up your gear and more time on the road.