Increases Viewing Range in Extremely Dark Conditions - Smooth Power Adjustment - Variable Beam - Adjustable IR Spot Position - Attachment on Any NV Devices with a Weaver Rail or 1/4 inch Socket - Laser Safety Class 1 - Eyesafe (Models L-808S/L-915) - Low Battery Indicator - Invisible to the Unaided Human Eye (915 & 940 nm Models) - Compact and Lightweight