Unpacking, checking of Housing and battery type connection of various devices to electrical outlets, 3 rescued and protected with IMac, CPL and server HDD, 3 protected and not "interruptible" with phone, lamp, USB cable connection. Turning on the Mac (10.7.6) immediately recognizes the UPS and the particular parameterization only takes a few seconds. Experiment with different power outage simulations Mac does not flinch, remains to be seen in real life. For the price it is good protection that can also take into account the telephone line, only remains to equip another Mac, the box and the NAS server.