The cateye volt 1600 usb rechargeable front light the cateye volt 1600 rc front light packs a massive 1600 lumens giving you excellent visibility on or off the road removable rechargeable li ion battery makes for easy charging and battery swaps cateye volt 1600 usb rechargeable front light bull double click to high mode single click returns to the previous mode bull 5 modes flashing hyper constant high middle low bull runtime 100hr 200lm 12hr 1600lm 2hr 1600lm