Xiaomi YI 4K is a powerful Action Camera which offers all the features you would want to record and share your adventure. Ideal for sports and outdoors enthusiasts, this camera comes with 4K Ultra HD recording capability. It is equipped with Ambarella A9SE75 chip which is both energy efficient and provides excellent processing powers to reproduce fine imagery and movies. It is actually an 800MHz Dual-core processor with ARM technology offering Digital Signal Processing. A built-in 1/2.3-inch 12MP CMOS image sensor with Exmor R ability.
The camera comes with a 2.19-inch touchscreen with 330ppi pixel density and 640 x 360p resolution. It provides 16:9 aspect ratio so if you record videos and play them in your digital HDTV, they appear in the widescreen movie-like display. The camera comes with a waterproof housing and can withstand submersion up to 40m.
Other key specs of the Xiaomi YI 4K are: Sony IMX377 matrix, 7-layer glass lens, F2.8 aperture, 155-degree wide angle lens, 2.68mm focal length, 4K/4K Ultra/2.7K/1440p/1080p/720p/480p recording capabilities, H.264 codec/MP4 formats, Time Lapse, 3-axis gyro/accelerometer, burst mode, micro USB support, Yi Action app, Bluetooth v4.0, microSD/SDXC/SDHC card slot and rechargeable Li-Ion 1400mAh battery.