The CameraManager CloudCam can be used both wired and wireless. When adding the camera to your account, you connect the camera to your router via the supplied Ethernet cable. If desired leave the Ethernet cable in the router for a wired connection. Or follow the wireless setup, to use the camera via a wireless connection.
In general, CameraManager recommends to use a wired connection because it makes the camera more reliable. If Wi-Fi signal is strong enough, it is also possible to use Wi-Fi.