RLC-410S, 411S, 410WS, 411WS, 422W, 423WS, 423S, C1, C1 Pro, C2, Keen, Argus, Argus 2, Argus Pro, Reolink Go.
These cameras are not supported to delete certain clips from its micro-SD card. If the SD card is full with recording, the camera will automatically overwrite the old file and continue to record. You can just format the SD card to erase the recordings.
Via Reolink Client Software on PC：
Find the device you want to set up and then click the icon to go to “Device Settings”>>" Device" >> “SD Card” >> Click “Format” button>> Click “OK”.
and then the camera will reboot and delete all the files in it.
Via Reolink App：
Please go to “Device Settings“, then select the “SD card” option. Tap “Format” to format the SD card.
Via Web Browser (not for the Battery-Powered camera):
Login your camera via the web browser (IE only), then go to “Device Settings”>>" Device">>“HDD/SD Card” >> Click “Format” button→>>Click “OK.