Klutch Frontier LED Flashlight - 5 Watts, 100 Lumens, IPX-8 Rating Completely waterproof design with IPX-8 rating that is submersible to 2 meters TC Technology (Triple C constant current circuitry technology) offers consistent brightness throughout the life of the battery - no dimming as the battery runs low Anti-reverse connection capability prevents damage from improper battery installation Premium Type III anodized coating provides superior scratch resistance for a durable finish Ultra-clear glass lens with anti-reflective coating maximizes light output