Guide USA TR Series 2-8x35mm Thermal Rifle Scope 640x480 Black. The TR Series offers sharp detailed images with 384 288 IR resolution while retaining accuracy. TR thermal scope also features a compact size waterproof and dustproof high shock resistance rugged and durable which performs impressively in harsh weather. Specifications for Guide USA TR Series TR630 2-8x35mm Thermal Rifle Scope: Manufacturer: Guide USA Color: Black Magnification: 2 - 8 x Objective Lens Diameter: 35 mm Sensor Resolution: 640x480 pixels Display Resolution: 1024x768 pixels Refresh Rate: 50 Hz Resolution: 1024x768 pixels Illumination Color: Multiple Color Palettes Eye Relief: 48 mm Exit Pupil: 48 mm Field of View Angle: 12.38 - 9.38 degrees Diopter Adjustment Range: -4 - 4 dpt Range of Detection: 1950 yds Base/Mount Type: QD Mount Attachment Type: Picatinny Battery Type: 18650 Battery Life: 8 hours Operating Temperature: -30 - 50 Celsius Water Resistance Level: IP67 Length: 8.18 in Width: 3.46 in Height: 2.59 in Weight: 540 g Battery Quantity: 1 Noise Equivalent Temperature Difference: 20 mK NETD Features of Guide USA TR Series TR630 2-8x35mm Thermal Rifle Scope 8 Hours Working Hours Screen Freeze For Easy Zeroing Ip67 Protection Rate Package Contents: Guide USA TR Series TR630 2-8x35mm Thermal Rifle Scope Plug Of American British Australian European Standard 5V2A Adapter Lens Cover Eye Mask 18650 Battery Charger Sight Base Type-C Cable Guide USA TR630: TR Series TR630 2-8x35mm Thermal Rifle Scope 640x480 Black