SureFire KE2 6V White Light BezelSelect A Brilliant Upgrade. The ultra compact KE2 B Scout Light bezel assembly generates an impressive 1,000 lumens from two 123A batteries when used on an M600 Ultra Scout Light. This small, rugged bezel features SureFires proprietary TIR lens, a far reaching, high intensity beam with ample surround light. Constructed of lightweight aerospace aluminum coated with a Mil Spec hard anodized finish, the ultra compact KE2 B will withstand the rigors of