NcSTAR Offset Green Laser Designator With Navigation LEDs Vlgsnvqrb. Off-Set Laser Designator Box with Green Laser and 2 Color LED NAV Lights with Quick Release mount. Fully adjustable Green Laser & LED NAV Lights can be activated in three different ways: rear mounted Momentary Switch, side mounted Push button On/Off switch, or the included Remote Pressure Switch. LED NAV Light color (Red/ White) can be changed by a side button. Includes a Two Position Remote Pressure Switch. The 3.5 mini jack plugs into the rear jack port of the Designator box. The Green Laser and the NAV LED lights can be individually activated from the remote pressure switch. LED NAV lights are for maneuvering in the Dark. Lower powered lighting helps preserves users night vision and their ability for their eyes to see in the dark. Supliments bright Tactical lights, which may be too bright to use for Navigation. Locking Quick Release Mount fits: Weaver/ Picatinny/ MIL-STD 1913 type rails. Die Cast Aluminum Body with Black Anodized body. Powered by 3 Volt Lithium Batteries (CR123A included). Includes: Remote Pressure Switch, Battery, and tools. International orders will not include batteries.