1.4K HD Digital Infrared: 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 Range in Low Light: With a visibility range of up to 300 meters in complete darkness, this device ensures clear observation even in minimal lighting conditions. 3.6x Zoom Adjustable Infrared: Easily adjust the zoom for a clear view at varying distances. The 850nm infrared lamp supports 6 levels of infrared intensity. 4.Easy Capture Playback: Recorded videos and photos can be exported and reviewed, allowing you to check and share quality images. The focus dial enables effortless adjustments for any distance. 5.Durable LongLasting: Use this device day or night, with infrared fill light effective up to 300 meters in darkness. The builtin 7V lithium battery is rechargeable, ensuring extended performance and reliability.