CAT EYE - Velo 7 Bike Computer - Speedometer and Odometer - Optional Headlight and Tail Light READY TO GO: The Go Kit Wired is a combination of CatEye's best-selling products, providing you everything you need to get on the road. HEADLIGHT: The HL-EL135 headlight has three LEDs with OptiCube lens technology for a wider, more visible light beam. It has constant and flashing light modes and battery life up to 320 hours. COMPUTER: The Velo 7 is CatEye's most popular entry level bike computer, offering all your favorite stats, auto start/stop, and battery life up to three years. 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.