Nox35 is a 12-micron 60 Hz small light and fully functional thermal weapon sight that can serve double duty as a head-mounted monocular or a scanner. When you need a thermal weapon sight that lets you move from rifle to helmet or hand-held use with ease look no further than N-Vision Nox. This unique product is proudly designed and built in the USA using the best commercially available 640 x 480 60 Hz BAE thermal imaging core and the highest grade optical components. - Nox features a manual focus non-rotating wide field of view 35mm F1.1 Germanium Lens to provide the best image quality in any weather conditions. Weapon and dovetail mounts are removable to reduce the unit’s size and weight to help achieve optimal NOX configuration. - Each Nox ships with a standard CR123 battery rechargeable 18650 battery and a charger. Depending on ambient temperature you can expect up to an hour of run time with a standard CR123 battery and four to seven-plus hours on the rechargeable 18650 battery. - Nox’s five ergonomic control buttons permit immediate access to calibration polarity zoom photo power and user-friendly menu system for zeroing and customizing device parameters. The dedicated calibration button gives the user ability to calibrate the unit with one hand in under one second. - Sensor Pixel Pitch 12 um - Resolution 640 x 480 - Refresh Rate 60 Hz - Magnification 2.5x - Lens 35mm F1.1 - Focus Manual non-rotating - Field of View 12.2(H) x 9.3(V); 15.1 (diagonal) - Digital Zoom 1x/2x/4x/8x - Display Type OLED 640×480 B&W - Power One CR123 or one 18650 - Remote power USB 5.0V - External connector Waterproof USB-C - Calibration (NUC) Manual - Weight CR123 Battery: 16.9 oz (w/o weapon mount) 19.3 oz (w/ weapon mount) - Weight 18650 Battery: 18.7 oz (w/o weapon mount) 21.0 oz (w/ weapon mount) - Size CR123 Battery: 6.8×2.9×2.4 (w/o weapon mount) 6.8×2.9×3.0 (w/ weapon mount) - Size 18650 Battery: 6.8×2.9×2.4 (w/o weapon mount) 6.8×2.9×3.0 (w/ weapon mount) - Detection range 1491 yards - Recognition range 524 yards - Identification range 270 yards