NV8000 3D Night Vision Goggles Binocular Binoculars Night Vision Hunting Goggles for Helmet. Image resolution? 36M, 12M, 8M, 5M, 3M, 2M, 1M. SENSOR? 1.3MF starlight sensor. Naked-3D? Double screen binoculars naked eye 3D display technology, which completes the real 3D scene seen by the original human eye. Display screen? Built-in dual-screen 1.4 390390 TFT inner screen, 7-level brightness adjustment, free switching display between single and double screens, 7 times magnification. Eyepiece? Completely independent binocular technology, which can independently adjust the visual compensation of the left and right eyes (the refraction adjustment range is plus or minus +/- 3, which is 300 adjustment compensation for myopia and hyperopia). Infrared light? 3W, 850nm strong infrared spotlight, 7-speed infrared adjustment. Lens? F1.4 large aperture, f=25mm, FOV 10 degrees. Automatic shutdown? 1 minute/3 minutes/5 minutes/OFF. Observation distance? 250 meters to 300 meters in total black observation distance, 1 meter to infinity and low light observation distance. Magnification? Digital zoom 8x. Power type? 3.7v, 4000MAH lithium battery. Operating temperature: -20? To +50? Storage temperature: -30? To +60?