100% DARKNESS USE AND DAY USE : Built in 3W Infrared LED, 850nm Infrared Illuminator allows viewing object up to 1300 yards (400 m) away on a moonless, cloudy night Day or night use(with IR off for daytime color). 3 IR levels are adjustable according to the ambient light. In the dark, the higher the infrared light level is adjusted, the farther and clearer the observation is.OUTSTANDING FULL OPTICAL BINOCULAR SYSTEM:It is a hand-held digital night vision viewing system that utilizes an infrared sensitive CMOS sensor, Fully multi-coated optic increases light transmission and decrease glare. Outstanding optical clarity, high performance digital night vision binocular, clearly see up to 7X magnification in the darkness, 2x Digital Zoom and a 31mm Objective Aperture, wide field of view, 1/3 CMOS vs image-intensifier tube.RECORDING AND REPLAY FUNCTION : Include a 32GB micro SD card, you can record what you a seeing as either an image or as a video. And also connect the device to a computer or TV with the USB cable and A/V cable. You can also use a SD card converter(not include) to share the picture and vedio to your samrtphone or computers.LARGE 4" VIEW SCREEN :Built in 2" TFT Display Screen, Convert to 4" Large Viewing Screen, Resolution of screen: 320*240pixels Wide Dynamic Range, More Confortable to Your Eyes. The 320*240 resolution color wide LCD screen display provide you easy to watchPERFECT DIVICE FOR MULT USE : You can use night vision devices for Wildlife observation;Night fishing and boating; Night hunting and paintball; Camping, scouting, and exploring caves; Search and rescue; Hidden object detection; Performing nighttime repairs;Discovering who visits your backyard at night and so on.