EyezOff USB Rechargeable LED Bicycle Lights Front/Rear Set USB rechargeable bicycle LED light set - contains front and rear light Very bright SMD LED - 2 LEDs in front light, 3 LEDs in rear light Four light settings: Super Bright / Boost / Constant / Flashing Battery life up to 25 hours (chasing) - charges easily via any USB port Also suitable for mounting on a bike helmet