The WiFi nest box camera has one DC input that accepts DC12V and one reset button. You should wire DC12V power to the camera or connect the camera to the external battery pack to provide the power. The camera doesn’t have a battery cell built-in.
The station provides dedicated WiFi transmission to the camera. Single station will be able to take in 4 maximum cameras. There is network port at the rear of the station. You can connect the station to the router by using the Ethernet cable. The micro SD card slot can accept micro SD cards and save the live video. There is no need to take off the micro SD card to watch the video. You can download the files to a mobile device or PC computer by using the software. Both the sync button and reset button stay at the rear side of the station.