The Fenix ALD-05 is a helmet flashlight holder that can be used to fix cylindrical flashlights on industrial, fire, rescue and other helmets. Fitted with an adjustable anti-static rubber fixing strap, which can be firmly worn on various types of helmets (head circumference does not exceed 660mm). The flashlight holder can be rotated 360 degrees, which is convenient to adjust the lighting angle of the flashlight up and down. Adjustable clamping caliber - suitable for flashlights with an outer body diameter of 20-28mm.