The Contractor 640 4.8-19.20x75mm is a weapon-mounted thermal sight designed to stand up to the rigors of real world use. It utilizes a durable alloy metal body and a MIL-SPEC construction, allowing it to easily withstand adverse conditions, harsh weather, and heavy recoil up to .50 caliber. The heart of the Contractor 640 is the exclusive ArmaCORE 12 Micron Sensor, which can detect a man-sized heat signature at up to 2797 meters away. These heat signatures are projected onto a high-definition XGA 1024x768 AMOLED display, and are viewable in 5 different color palettes – white hot, black hot, target, rainbow, and sepia – allowing the user to adapt the Contractor 640 to their specific preferences or to different environments. Other features of the Contractor 640 include digital compass, inclinometer that help calculate distance, direction and angles for greater accuracy at extended ranges. In addition, the Contractor 640 features onboard photo and video recording. Images and videos can then be transferred to a compactible device via WiFi, Bluetooth, or USB-C connection. Features of the Contractor 640 4.8-19.20x75mm: Multiple color palettesIntuitive menus with turret controls8+ Reticle Types4 hours runtime at 20° CImage Detail Enhancement1/2MOA BoresightStandard Picatinny Mount IncludedVideo Recording & Image CaptureUSB Video StreamWi-Fi Video StreamBluetooth 5.0 CapabilitiesApplication on iOS / Android devicesUSB-C Interface for External DevicesIntegrated Stadiametric RangefinderInclinometerLevelometerGraphic CompassAngle Cosine IndicatorReticle ON/OFF SelectionBattery Status IndicatorAlloy Metal Body and Ergonomic Design Armasight Contractor 4.8-19.2x 75mm Gray Thermal Weapon Sight TAVT66WN7CONT102, 8.74" " 3.4" " 3.7"