Features Flashlight head folds up and down plus rotates left to right for multiple lighting angles High brightness white LED’s provide 500Lm of brightness Metal hang hook swivels 360° and folds away for extra convenience 3 stage brightness settings delivers either full brightness (500Lm), medium (250Lm) or low (100Lm) Runtime of up to 20 hours in High when powered by optional 4.0Ah battery Specifications Continuous Runtime With 4.0Ah Battery High: 20 hours Med: 40 hours Low: 82 hours Illuminance At 50cm High: 800lx Med: 400lx Low: 180lx Luminous flux High: 500lm Med: 250lm Low: 100lm Overall Length: 275mm Skin weight: 0.42kg Voltage: 40V Max Weight (with battery): 1.42kg (BL4040) Includes Shoulder hook set (GM00001288)