The SK3-0 surge suppressor offers reliable surge and line noise protection. The compact direct plug-in design allows for easy portability and features 3 outlets and 660 joules of surge energy absorption. Diagnostic LEDs alert you to potential wiring or protection faults before connected equipment is damaged. $5,000 Ultimate Lifetime Insurance (U. S., Canada, and Puerto Rico only). More from the Manufacturer | Eaton Tripp Lite Series Protect It! 3 | Outlet Surge Protector, Direct Plug-In, 660 Joules, 2 Diagnostic LEDs | 3 x NEMA | Unknown | Best Buy