NV8300 4K Helmet Night Vision Goggles Infrared Night Vision Binoculars for Hunting Photography Features: Using dual screen and dual eyepiece 3D display technology, it restores the real three-dimensional scene seen by the human eye (the naked-eye 3D night vision device patent has been authorized in various countries) Built-in dual 1.4 390390 TFT inner screen and 7-gear adjustable brightness Independent binocular technology: It can independently adjust the visual acuity compensation of the left and right eyes (refractive adjustment range is +/- 3.5), 7X magnification The product is small in size and light in weight so it is easy to carry Multiple ways to use: The night vision goggles can be used with a strap, a tactical helmet and a headband 250m-300m full black observation distance, 1 meter-infinite low light observation distance Built-in 2600mAh lithium battery High power IR lamp with 7-gear adjustable brightness 4 color effects: color, black and white, moonlight green and infrared light Adjustable pupillary distance in the range of 6072mm IP54 waterproof Application scenarios: mainly used in tactics, reconnaissance, hunting, security and surveillance, camping, cave exploration, night fishing and boating, wildlife observation and photography, etc. Specifications: Image resolution: 36M, 12M, 8M, 5M, 3M, 2M and 1M Video resolution: 4K, FHD, HD Sensor: 2.0MP starlight sensor Display: Two built-in 1.4 390390 TFT inner screen, 7-gear adjustable brightness, switching of single and double screen display, 7X magnification Eyepieces: With fully independent binocular technology, it can independently adjust the visual acuity compensation of the left and right eyes (refractive adjustment range of +/-3.5) IR light: 3W, 850nm strong IR spotlight, 7-gear IR adjustment Lens: F1.0 wide aperture, f=25mm, FOV 10 degrees Automatic shutdown: 1 minute/3 minutes/5 minutes/10 minutes/OFF Observation distance: 250-300 meters observation distance in the dark, 1 meter infinite low light observation distance Magnification: Digital zoom 8X Power supply type: 3.7V, 2600mAh lithium battery Environment temperature: operating temperature -20°C to +50°C; storage temperature -30°C to +60°C Size: approx. 154 x 134 x 60mm Weight: 363g Package Included: 1 x Night vision device 1 x Storage bag 1 x USB cable 1 x Strap 1 x Built-in battery 1 x Cleaning cloth 1 x Simple headband 1 x Night vision bracket. Usually it costs about 30USD-50USD. Thanks for your understanding. If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days.