I don't have direct experience with the MLG-7017CVR but based on the picture and specs, this seems to be just a DVR-047. The DVR-047 is the SD version of the DVR-027. The biggest give away is no mention of an HDMI port.
You can purchase the same camera for $17.50 on Aliexpress here or here. Even though an enormous number of these cameras have been sold, the video quality is quite poor.