This article points to how to use clips for Reolink cameras. You may click the links therein based on your need.
Applies to: All Reolink cameras except Duo 2, Duo 2 LTE, Argus 4, Argus 4 Pro, Argus Track, Reolink Altas PT Ultra, Reolink Altas PT, E1, E1 Pro, FE-P, FE-W, RLC-81MA, RLC-1212A, RLC-1224A, RLC-1240A, Reolink TrackMix PoE, Reolink TrackMix WiFi, Reolink TrackMix Wired LTE, Duo PoE, Duo WiFi, Duo 2 PoE, Duo 2 WiFi, Duo 3 PoE, Duo Floodlight PoE, Duo Floodlight WiFi, Duo 2V PoE, Duo 3V PoE.
The clip function can help you view the specific area you want to enlarge and check. You can enable the clip function under the Clip Settings option via Reolink software.