reolink REOLINK 4K WiFi Security Camera Ultra Wide Angle Color Night Vision 2-Way Audio Written by admin on December 11th, 2023. Reolink Duo Series Wireless UHD supports 24/7 continuous, motion-triggered, or scheduled recordings. All the videos can be saved to the micro SD card, Reolink NVR or FTP server. Choose a way you like and enjoy customized security.