Screen and Adjuatable Brightness: Built in dual screen 1.4 inch 390×390 TFT inner screen, 7 speed brightness adjustment, allows you to have a clear view in 100% darkness at a range of 250m. IR Infrared : The 850NM IR infrared is adjustable in 7 steps, and the high performance infrared night vision goggles enable you to operate without the limitation of ambient light. Optical Zoom System: Professional optical zoom system with excellent optical clarity, and with 4x digital zoom, video up to 4K at 30FPS, photo 36 M. With Three Modes: Photo, video (no sound) and playback mode, you can capture high definition photos and videos with excellent optical clarity during the day, in low light or at night. Independent Binocular Technology: 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 plus or minus, that is, myopia, hyperopia 300 adjustment compensation). 3D Technology and with Headband: Dual screen binocular unaided eye 3D display technology restores the real stereoscopic scene seen by the human eye. Equipped with a headband for easier and more convenient use. Item Type: Night Vision Binoculars Product Material: ABS, Metal Color: As Pictures Shown Weight: Approx. 1 x Night Vision Device. 1 x Charging Cable. 1 x Cleaning Cloth. 1 x Bracket Accessory. 1 x Storage Bag. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.