The Bering Optics HiPo 3.4x 50mm Gen I NV Monocular is best suited for long range observation purposes. HiPo ranks among the best in the Gen 1 class for the quality of image and the detection distance. The unit was designed with the user's comfort in mind. HiPo also ranks top in the industry in terms of eye-relief distance, which allows the user to enjoy the viewing experience for prolonged time without experiencing eye fatigue. The HiPo's body has a built-in weaver mount to allow the attachment of additional accessories such as an IR-flashlight.