Read before Purchase:
(1)The cameras are not battery operated, but we offer power supply for each camera.
(2)WIFI Range Restriction: The WIFI signal is reduced by walls. Please place the cameras as close to the NVR as possible.
(3)You will need an HD TV or PC monitor with HDMI or VGA cable to view and perform system settings, the HDMI or VGA cable is not included.
(4)You can watch live videos, record and play video without internet. If you want to watch cameras remotely, you need to connect the NVR to the internet (e.g. router) through network cable (included).
(5)Please test the cameras'wi-fi signal before Installation.
(6)This system supports wired transmission via LAN cable as well.