Armasight XLR-IR850 Detachable X-Long Range Infrared Illuminator w/Dovetail to Weaver Transfer Piece #21, Rechargeable Battery, and Charger High power 1000 mW IR-emitting diode Fits most of the Armasight night vision devices Wide range beam angle adjustment 4 to 35 degrees Invisible to human eye and eye safe Ideal for extreme, low-light conditions