The Sidekick 640 is the smallest fully multi-functional 12-micron 640 thermal imaging monocular on the market. This unit boasts a fast 60Hz frame rate for smooth operation and industry-best, outstanding visual acuity, based on Armasight's Iron Wolf thermal technology platform. Weighing under 250 grams, the Sidekick can be used as a handheld mini-monocular or can be headset/helmet mounted utilizing the built-in mini-rail for hands-free operation. The high definition 1024 768 OLED display provides a crisp image, with iconography providing key information. The Sidekick utilizes simplified 3 button controls that allow for easy manipulation in the field and offers one-touch in-unit video recording to capture all your experiences. Specifications for Armasight Sidekick 640 1x19mm Thermal Monocular: Manufacturer: Armasight Magnification: 1 x Color: Black Resolution: 640x480 pixels Field of View, Angle: 24.16-17.37 degrees Objective Lens Diameter: 19 mm Width: 2.6 in Length: 5.7 in Height: 1.9 in Eye Relief: 15 mm Battery Type: 16650, CR123A Weight: 0.53 lb Water Resistance Level: IP67 Refresh Rate: 60 Hz Finish: Black Condition: New Lens Material: Germanium Operating Temperature: -40 - 122 Fahrenheit, 40 - 50 Celsius Range of Detection: 709 m on human sized target Noise Equivalent Temperature Difference: 40 mK NETD Included Accessories: Lens Cloth, Product Manual, Soft Case, 2 x CR123A Battery, USB-C Cable Battery Quantity: 1 Diopter Adjustment Range: -5 - 5 dpt Active On-Screen Graphics and Iconology: Active On-Screen Graphics and Iconology Zoom Range: 1x - 4x Dimensions: 5.7X1.9X2.6 in Memory: 4 Hours of Video Volume Range: 111m on a Human Sized Target Display Resolution: 1024x768 pixels Features of Armasight Sidekick 640 Thermal Monocular Multiple color palettes Intuitive 3-button control 1 hour runtime on 1 CR123A battery at 20 degrees C Image Detail Enhancement Dovetail Mini-Rail Included for Helmet Mounting (with optional mount) Video Recording and Image Capture USB Video Stream USB-C Interface for External Devices Compass Battery Status Indicator ULTEM Composite Body and Ergonomic Design Designed and Assembled in the USA from U.S. and global components Package Contents: Armasight Sidekick 640 Thermal Monocular 2 CR123A Battery USB-C Cable Product Manual Lens Cloth Soft Case Warranty - 3 years w/ registration