The LitezAll Briteband Headlamp is very bright and comfortable to wear for extended periods of time. Get up to 180 degrees of bright, shadow free light with no bulky light housing to deal with. The Briteband head Lamp is fully adjustable to fit most heads, and may be worn over hoodies and hard hats. 3 light modes include high and low brightness modes plus strobe. Runtime is 3.5 hours in high, 5 hours in low and 7 hours in strobe.