The cateye volt 500 xcrapid x2 light set is a top of the range lighting set featuring 6 options modes li polymer batter technology and ultra bright leds cateye volt 500 xcrapid x2 light set features volt 500 xc front light double click to high 4 modes high low hyper constant flash runtime 400lm 1 hr 100lm 8 hrs 500lm 20 hrs 100lm 30 hrs recharge time 7 hours usb rechargeable propri