This is for the pictured rhino mount only! Rhino will accept any night vision device or adapter with a standard bayonet interface. Auto shut-off feature that will turn off the night vision device when it is flipped up over the helmet so the lit-up green glow from the eye piece lens does not show down-range. Arm articulates with a "force to overcome" motion meaning the user simply pushes the device upward or down into position. Improved bi directional lock lever for vertical adjustment and improved turn eye relief lever. Optimized for use with PVS 7/14 Binocular & Monocular Systems....