Whether you want to put it on your hard hat or directly on your head, the HL40 provides a full field of view The Wide-Angle Flood Beam is optimal for illuminating large areas with its ultra-wide circular beam. The headlamp is extremely versatile as you can cycle through the high output or low output with the ease of a switch on the bezel. With Coast's commitment to quality, the HL40 Headlamp is impact resistant, weather resistant and its LED.. See full description for further details