Ultra-clear video in 2.5K with 4MP camera:Updated to a 4MP camera with a resolution of 2560x1440, Xiaomi Smart Camera C400 can deliver amazing 2.5K videos with all the subtle details that are true to life. With the large aperture and the 6P lens, the images delivered are more vivid:Combined with the 6P lens, the camera effectively reduces light refraction. As a result, the images are so clear as if you are on the spot and seeing them for yourself. Night vision with no visible red glow for clearer and safer monitoring:Sleep undisrupted with no visible red glow at night and no visual pollution. 940nm infrared light for clearer night-time images. Smart IoT connectivity and interaction with other smart devices. Works with Google Home and Alexa Human voices heard through large-diameter speakers with separate sound cavity are so real as if they are speaking to you in person