Holosun Co-Aligned Visible GRN Laser Sight Infrared IR & IR Illuminator – LS321G. This listing is for a used LS321G light/laser unit. The unit was in service for a short time and then replaced with another unit. It has very few hours on it, and is in Excellent condition, save a few dings on the outside surface (see photos). All lights/lasers have been tested under NODS and are working as designed. Photos of the IR laser/light in this listing taken with night-shot on camera, so not the best representation of intensity, but does verify that they are working. The Holosun LS321G is a dual laser and illuminator device that integrates a green laser, an IR laser and an IR illuminator. The LS321G has a radial mode selector dial to quickly choose the different functions. The windage and elevation are tied together to quickly and easily adjust and zero the 3 laser beams at the same time. At the rear side which is convenient. The unit is powered by a CR123A battery. Coaxial visible laser, IR laser, IR illuminator. Quick release Picatinny mount. CNC machined aluminum housing. Laser Wavelength: 520 and 830. Laser Color: Green Waterproof: IP67. Dimensions: 92mm x 57mm x 43mm. Weight: 8.64 ounces.