The Bering Optics BEAST-C 336 Thermal Clip-on Attachment is exceptionally lightweight and compact. It can be simply mounted in front of the daytime scope using a clip-on mounting system, making the conversion quick and easy since no re-zeroing is required. The clip-on is built with the superb Germanium optics that is paired with advanced Vanadium Oxide (VOx) uncooled thermal core and proprietary electronics. The Bering Optics BEAST-C 336 Thermal Clip-on Attachment comes with a menu that is easy to understand and navigate. In addition, the control buttons are designed with the tactile elements allowing the user to operate without looking at the buttons. The device is nitrogen-purged, and is water-, dust- and shock-proof. For optimum performance, there is a wide range of menu-driven options including switchable image polarity. BEAST-C 336 Thermal Clip-on Attachmentis action ready in virtually any environment or light conditions including conditions when the environmental obscurants such as smoke, dust, haze, fog, are present.