Updated 5/20/16: An earlier version of this article incorrectly identified Xiaomi as the maker of the Yi action cam.


Chinese company Yi has updated its action camera with a Sony IMX377 12MP 1/2.3" sensor, improving its top resolution to 4K compared to the original model's 1080p maximum. The Yi 4K Action Camera also features an Ambarella A9SE75 chipset, a 155-degree wide-angle 7-layer optical glass lens and a 2.19" LCD rear touchscreen display.

According to Yi, the internal 1400mAh battery allows for up to 120 minutes of video recording in 4K. Content is stored on a removable media card, with capacities of up to 64GB supported. Other features include a built-in speaker and microphone, dual-band Wi-Fi, and three color options: Rose Gold, White, and Black.

The international version of the Yi II Action Camera offers the following recording options:

  • WVGA/240fps
  • 720p/240fps
  • 960p/120fps
  • 1080p/120fps
  • 1440p/60fps
  • 2.5K/30fps
  • 4K/30fps

The camera can be pre-ordered from Yi Technology, which offers international shipping. The camera costs $249.