1) low price ,higher stable function . Only once  investment, no need other behaviour ,It’s suitable outdoor by far range and place where already finished installations. Because of many reason like where and which kind of job to do.Such as : hilly area , port and other wide place where is special environment .There are  many of .unconvenience  with the wired network, wired transmittal ‘s connectinqup project… There will take long time if no use wireless ,even impossible to realized.

Now ,the wireless monitor can help to keep you far away from the fetter of cable ,the merit as following : short time of set up , convenient to vindicate , powerful to dilatation .back the cost swifttly