I have two of these. Both are less than 2 months old. I purchased Belkin for their SUPERB software suite. These are used on a remote cabin which is unattended most of the time. I need to keep a laptop up and running for weather station and video monitoring.The software has alert features that allow me to get an e-mail or a page as soon as power is interrupted, restored or any other problems arise such as it failing a self test cycle. It is fully configurable.One of the two units failed within about 10 days of going into service. Belkin made me pay for the return shipping on it at nearly $20, that really increased the cost of the device for me.So... A+ for features. B for customer service. Grade pending for long term reliability!