Prime PB003105 Electronics Six-Outlet 2100 Joule Swivel Surge Tap Protector Audible Alarm Auto-Shutdown, White Converts one outlet into 6 surge protected outlets 2100 Joules of protections An Audible Alarm sounds when surge protector has sacrificed itself to protect the connected equipment. The Swivel Space-Saver's unique design allows outlets to be turned to the left or right, saving valuable space Auto-Shutdown when surge protector absorbs potentially damaging current, this feature shuts power down at the wall, preventing power from passing through the surge protector to the connected equipment.