Blackburn central 300 rechargable front light 300 max lumens fl 1 standard ip 65 waterproof modes runtimes high 300lms 2hrs medium 150lms 4hrs low 80 8hrs strobe 80lms 20hrs pulse 80lms 15hrs push on push button to cycle modes push hold 1sec off micro usb 6hrs recharge size 160g colour black