Why there is no video output when recording 4K ? Hollyland Tech November 30, 2020 11:26 This is limited by DSLR/Mirrorless cameras. We suggest you use the mobile App to monitor the feed, or connect the camera to an ATOMOS monitor first, then output the feed to the device. Related articles How to connect a mobile device to the HollyView App ? Comments 0 comments Article is closed for comments.