Streamlight 90641 Knucklehead Alkaline Model Work Light, Black - 200 Lumens Shockproof dual C4 premium LED technology delivers 200 lumens Features a 210 degree articulating head that rotates a full 360 degrees Removable magnet with 135 lbs pull strength features a replaceable rubber boot Unbreakable polycarbonate lens with silicone anti-scratch coating assembled in a heavy duty bezel; O-ring sealed 4AA battery model, not rechargeable