The Surefire XC3 Sub is a compact weapon light that delivers 1,000 lumens of intense white light, powered by an included rechargeable SFRCR123 lithium battery. The LED generates a peak beam intensity of 13,000 candela, providing positive target identification up to 228 meters in low-light conditions. Its optimized beam pattern also offers a diffused light corona for enhanced situational awareness in close proximity.This weapon light can alternatively be powered by a single 123A lithium primary battery for added versatility. The XC3 Sub features intuitive, ambidextrous switching for both momentary and constant-on activation. Constructed from lightweight, high-strength aerospace aluminum, the XC3 Sub is Mil-Spec hard anodized and sealed to resist the elements, making it suitable for everyday use.