Top up function Lydia November 09, 2018 08:17 Updated Follow If you have multi devices, you can sequence devices to keep the most important device shows on the top. Related articles Sleep mode function Turn on/off Status light or night visison How to setup micro SD/TF card? What is maximum storage for SD/TF card? Firmware update Does Camera have Bluetooth? Comments 0 comments Please sign in to leave a comment.