Virtually indestructible infrared and 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; Hybrid beam pattern delivers PID at medium- to long-range distances with ample spill light to help you maintain situational awareness; Dual-spectrum efficiency with 250 lumens/100 mW of TIR-focused output; Twist bezel to switch between LED white light and IR