RXG1210 Features: * Helmet mount * Lightweight and comfortable applicable for long time wearing * Attachment of the night vision monocular in a matter of seconds * Allows the user to mount a night vision device onto helmet * Can positioned directly in front of user"s eyes * Fits Sirius, mini-Nyx14, and Nyx14 Dimensions: * Dimensions: 2" - 5" H x 4" - 5" W x 6" - 10" D