Do I have to install special software so I can log in to the unit or it is IP based and can log in through any PC on the same network by writing the unit IP address on the internet browser?

The only software you need is the software you use to initlally assign the Room Alert monitor with an IP address on your network. After that you just browse to the IP address, log in and then you can see live sensor readings, graphs and configure alerts etc..

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