Check the following chart to find whether your camera supports pre-record setting.

 Camera Type Model
WiFi camera C1, C1 Pro, C2, C2 Pro, E1, E1 Pro, E1 Zoom, E1 Outdoor, Reolink Lumus, RLC-210W, RLC-410W, RLC-410W-5MP, RLC-410WS, RLC-411WS, RLC-411WS-5MP, RLC-422W, RLC-423WS, RLC-511W, RLC-422W-5MP, RLC-510WA, RLC-511WA, RLC-523WA, RLC-542WA, Reolink Duo WiFi, Reolink Duo 2 WiFi, Reolink Duo Floodlight WiFi, Reolink TrackMix WiFi, Reolink Video Doorbell WiFi
PoE camera RLC-410-5MP, RLC-410S, RLC-411, RLC-411-5MP, RLC-411S, RLC-411S-5MP, RLC-420, RLC-420-5MP, RLC-422-4MP, RLC-422-5MP, RLC-423, RLC-423S, RLC-511, RLC-520, RLC-522, RLC-510A, RLC-520A, RLC-810A, RLC-811A, RLC-812A, RLC-820A, RLC-822A, RLC-823A, RLC-823A 16X, RLC-824A, RLC-830A, RLC-833A, RLC-842A, RLC-81MA, RLC-1010A, RLC-1020A, RLC-1210A, RLC-1212A, RLC-1220A, RLC-1224A, E1 Outdoor PoE, Reolink Duo PoE, Reolink Duo 2 PoE, Reolink Duo Floodlight PoE, Reolink TrackMix PoE, Reolink Video Doorbell PoE
Note: Battery-powered cameras only can support Pre-Record when viewing the camera.