Blackburn central 300 front light no tools required lithium ion battery waterproof to ip 65 standard 5 hour recharge time lumens high 300 med 150 low 80 pulse 80 strobe 80 runtime high 2hrs med 4hrs low 8hrs pulse 20hrs strobe 16hrs distance high 108m med 76m low 56m pulse 56m strobe 56m 162g 035lb