1.4K Digital Infrared Night Vision: Equipped with a professional video processing chip and a 4K definition CMOS sensor, this optical night vision device delivers smoother video playback and brighter, clearer images in any environment. 2.Infinite Observation Distance in Low Light: With a detection range of up to 300 meters in dark environments, this device ensures clear observation even under minimal lighting conditions. 3.6x Zoom and Infrared Adjustment: Easily adjust the zoom to achieve a clear view at varying distances. The 850nm infrared lamp supports 6 levels of adjustable infrared intensity. 4.Easy Image Capture and Playback: Recorded videos and photos can be exported and reviewed, allowing you to check and share quality images. The focus dial ensures sharp imaging at any distance. 5.LongLasting Performance: Use this device day or night, with infrared fill light extending visibility up to 300 meters in darkness. The builtin 7V lithium battery can be charged outdoors using a power bank, ensuring extended runtime and reliable performance.