Tripp Lite SPIKECUBE 1 Outlet Surge Suppressor Receptacles: 1 x NEMA 5-15R - 750J Portable direct plug-in AC surge suppressor protects your computer/laptop, home theater system and other devices from a voltage spike and more Travel size surge protector perfect for on-the-go applications or space sensitive areas. Fits perfectly in laptop case 600 joule rating Diagnostic LEDs alert user to protection and grounding status Lifetime Warranty and $5,000 Ultimate Lifetime Insurance for connected devices