The EOS is optimal for both localized needs and spotting at a distance. The combination of a Maxbright 1 watt LED and optimized lens/collimator maximizes the beam by balancing long throw with flood light. The self contained battery system eliminates external wires. The EOS is equipped with 3 brightness levels and a blinking signal mode. Tactical EOS Features easy-to-change lens filter system for night activities red for preserving night vision, blue for blood tracking, and green for hunter safety. Turns on in low. EOS II Industrial version of EOS. Includes rubber strap for hard hat use and velcro and nylon strap. Intrinsically Safe UL Rating Class I Division 1 Groups A, B, C, D. UL Temp. Code T4. Weight 3.7 oz. Max Lumens 105 Max Burn Time 108 hrs Max Distance 65 m Waterproof IPX7 Power Source 3 AAA included or lithium