Completely enhanced picture quality with a 2K Ultra-Clear HD resolution To take more detailed pictures, the Mi 360° Home Security Camera 2K makes use of Ultra Clear HD technology. Take advantage of completely upgraded 2K Ultra HD technology for a better visual experience. F1.4 wide aperture for sharp pictures even in dim lighting Even in low light, the F1.4 large aperture lens captures detailed images because it lets in a lot more light. Improved 6P lens for sharper images Light refraction is effectively reduced by a fully upgraded lens, producing images that are crisper and more detailed. Improved infrared night vision for sharp pictures even in dimly lit areas With no discernible red glow, 940 nm infrared light leaves you and your family sleeping soundly. Even in low light, it shows vibrant video thanks to its high-sensitivity image sensor.