* Connect Smart 1000XL + KTV Pro Rear LEDs with smart wireless system* Front - Max 1000 lumens / 76 hour runtime in Femto mode* Rear - Max 75 lumens / 19.5 hour runtime in Flash mode* Smart wireless system, pairs with phone, Lezyne GPS, front light* IPX7 water resistant and co-molded design KTV Rear* Front and rear activation with phone, GPS or Front light and can control the KTV rear wireless light* Modes can be customized through phone app