Streamlight SL-20X Flashlight 10 watt halogen lamp with tungsten filament NiCad rechargeable battery Up to 30,000 pre-focused peak beam candlepower; 200 lumens 13" 1.9 lbs Available in Black The Streamlight SL-20X Flashlight is the next generation of the original, standard setting, Streamlight SL-20 rechargeable flashlight. SL-20X is constructed using a machined anodized aluminum body with O-ring sealing in the head assembly and tail cap. The rugged lightweight body is 13" long and with the battery installed weighs less than 2 lbs. With it's rechargeable NiCad battery SL-20X generates 30,000 candlepower for up to 1.5 hours of continuous run time. SL-20X has a computer designed reflector and bulb that is pre-focused for a solid beam, maximum beam distance, light penetration and dispersion.