Okay ish for the money, but buying something that works in the near future. The included management software is absolutely terrible. It often locks up using 100% of one thread on the CPU, and also managed to render all of the COM ports on my machine unusable by keeping them open to scan for RS-232 UPS's. It was so bad I wrote my own software for it. Need I say more? If you want your machine to auto shut-down, buy a different unit. (if you wish to write your own UPS software, take a look at the Network UPS tools source code for command sets.) All the UPS circuitry is very inefficient, to the point where it works very well as a footwarmer...view more