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 is virtually unbreakable. The HL40 Headlamp is backed by Coast's lifetime warranty against defects in materials and workmanship. Tested and rated to ANSI/FL1 standards.