Long running time: up to 6 hours of continuous run time with IR lighting on or 14 hours without IR, powered by power bank (not included) and 8 AA batteries (battery not included, please buy the rechargeable battery separately) time monitoring.Infrared night vision binoculars with recording function: these digital binoculars are not only an infrared night vision binoculars, but also an IR camcorder. Images and videos (date and time can be stamped on photo or video) can be stored on a Micro 64GB SD card (included). Suitable for wildlife watching, military enlightenment, security and surveillance.Large wide view screen: Built-in 3 inch LCD screen, comfortable for your eyes, screen resolution: 854 x 480 pixels; can be used as a live infrared surveillance camera that connects the TV with an AV cable or the computer with a USB cable.All-optical binoculars system: high-performance digital night vision binoculars with 4x digital zoom and 20x optical zoom and 31 mm lens hood, wide field of view from 1.8 to 68, 1/2.7 CMOS compared to image amplifier tube.Removal area with long view and waterproof: built-in 850 NM 5 W infrared illuminator for a viewing distance of up to 500 m in full darkness; day or night use (without IR for day colour); IPX4 water resistance.