The Nightstick Dicata Instrinsically Safe Headlamp is designed to function without interfering with face shields. The CREE LED spotlight and LED floodlight uses a series of Total Internal Reflection (TIR) lenses that are designed to optimize output. Two enlarged front-mounted buttons make it easy to toggle through the high/low beam option even while wearing gloves. The spotlight emits 275 lm with a beam distance of 120 meters, while the floodlight emits 205 lm. The Dicata headlamps uses a heavy duty rubber strap to fit on fire helmets and hard hats. It's made of a chemical and impact resistant glass-filled nylon polymer and includes three AA batteries.