User-selectable 360-lumen High, 180-lumen Low and 30-lumen Survival modes; Helmet clamp with rubber foot provides secure, mar-free attachment A single push-button switch operates easily with heavy gloves; Works with virtually all fire helmets and hard hats A 360-degree multi-angle mount allows the user to select exact angle and position for optimum light alignment and clearance of face shields, goggles or other equipment IP-X7 Waterproof Impact & chemical resistant; Switch features built-in rear-facing green safety LED Meets the requirements for NFPA-1971-8. 6 (2013); cETLus certified Class I Div 2 Intrinsically Safe