NV8000 4K 3D Night Vision Binoculars Infrared Head Mounted Night Vision Goggles for Hunting Camping Features. Dual-screen binocular glasses use naked-eye 3D display technology, restoring the real three-dimensional scene seen by human eyes (the patent of naked-eye 3D night vision device has been authorized in many countries). 1.4 390390 TFT screens with 7 adjustable brightness. Free switching between single and double screens. Completely Independent Binocular Technology. It can independently adjust the visual acuity compensation of the left and right eyes (refractive adjustment range plus or minus +/-3, both myopia, farsightedness 300 adjustment compensation). 100% Clearly Visible in the Darkness. The Upgraded Night Vision Binoculars Telescope features an 850nm infrared Illuminator and a full optical system that allows you to see animals and plants clearly in 100% darkness and dim ambient light. 200-300m/656.2-984.3ft observation distance in darkness; 1m/3.3ft to infinite observation distance is weak light. It is small, lightweight, portable to use. Head mounted design makes it convenient to use. With built-in 3000mH lithium battery. High power infrared lamp with 7 adjustable brightness of infrared lamp. Color, black and white, moonlight green and film negative (negative). Waterproof design makes application easier. Tactics, reconnaissance, hunting, security and surveillance, camping, cave exploration, night fishing and boating, wildlife observation and photography, etc. Image resolution: 36M, 12M, 8M, 5M, 3M, 2M and 1M. Video resolution: 4K/FHD/HD. Sensor: 1.3MP starlight sensor. Display: Built-in dual screen 1.4 390390 TFT inner screen, 7 levels of brightness adjustment. Switch between single and dual display. Eyepieces: Fully independent binocular technology, independently adjustable visual compensation for left and right eyes (refractive adjustment range plus or minus +/-3, both myopia and farsightedness 300 adjustment compensation). IR lamp: 3W, 850nm strong IR spotlight and 7-level IR adjustments. Lens: F1.4 large aperture, f=25mm, FOV 10 degrees. Automatic shutdown: 1 minute/3 minutes/5 minutes/10 minutes/OFF. Observation distance: 200-300m/656.2-984.3ft observation distance in darkness; 1m/3.3ft to infinite low light observation distance. Magnification: Digital zoom 8X. Power supply type: 3.7V, 3000mAh lithium battery. Ambient temperature: operating temperature -20°C to +50°C; Storage temperature -30°C to +60°C. 152 x 122 x 55mm/6 x 4.8 x 2.2. 1 x Night vision binoculars. 1 x Data cable. 1 x Carry case. 1 x Fixing screw. 1 x Police helmet adapter. 1 x Set of head strap. Thanks for your kindly understand. We are committed to resolve all issues in a friendly and satisfactory manner. We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Your recognition will make us more confident to develop business and serve you better. We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues. Please give us the opportunity to resolve any problem. Here is illustration shows how to leave me the feedback, please follow the step, thank you very much! And hope to see you soon.