Select A Brilliant Upgrade. The KM1-E bezel assembly provides both white light and infrared illumination from a single 123A battery when used on an M300 Scout LightA(R). This small rugged WeaponLight features SureFire's proprietary TIR lens a far-reaching high-intensity beam with ample surround light. Simply select the appropriate spectrum for the mission by rotating the bezel. Constructed of lightweight aerospace aluminum coated with a Mil-Spec hard-anodized finish the ultra-compact KM1-E will withstand the rigors of combat without weighing down your weapon. Upgrade your legacy M300A B or C Mini Scout LightA(R) to 250 lumens plus 100 mW of infrared illumination with the KM1-E bezel.Features: Virtually indestructible infrared & white LEDs are regulated to maximize light output and runtime On-the-fly switching between IR mode and white-light - no IR filter required TIR lens shapes versatile beam with enough reach and surround light for medium- to longer-range operations Rugged durable and combat ready Hard Anodized aluminum body and tempered window