Cateye Velo Wireless Computer, Head and Tail Light Combo. In search of a wireless computer as well as a set of head and tail lights This Cateye combo has you covered. The Velo Wireless computer is easy to set up, simple to use, easy to read, and provides seven essential functions regarding speed, distance, and time. The HL EL130 headlight puts out 75 candlepower via a single LED and features both flashing and constant modes to ensure you're seen out on the road. Complementing the headlight is the TL LD130 tail light that sports 3 LEDs and three modes constant, flashing, and random for superb visibility.