Combo Kit includes HL EL135 Headlight, TL LD135 Omni 3 Taillight and CC VL520 Velo 7 Cycle Computer. HL EL135: See and be seen. The new HL EL135 uses three LEDs with OptiCube lens technology with a wider beam pattern to see more of the road. This is the perfect compact commuter light. Features: 320 hours flashing mode. 80 hours constant mode. Runs on 2 AA batteries. FlexTight mounting bracket. TL LD135: NEW Omni Directional Technology provides 360 degree visibility for increased safety. The newly designed Velo 7 is CatEyes entry level 7 function computer. The larger screen is even easier to read and set up is made simple with pre programmed tire sizes. Along with current, average, and max speed measurement, track your trip distance, elapsed time, and odometer.