The SPIKECUBE Surge Suppressor from Tripp Lite is a direct plug-in suppressor providing protection on one AC outlet. Its small size makes it ideal for protecting laptop computers, projectors and other portable electronics. A green "Protected" and red "Grounded" LED illuminates to indicate that adequate surge suppression is available. The unit has 600 joules of surge energy absorption. Lifetime warranty with $5,000 Ultimate Lifetime connected equipment insurance (USA & Canada Only). More from the Manufacturer | Eaton Tripp Lite Series 1 | Outlet Personal Surge Protector, Direct Plug-In, 600 Joules, 2 Diagnostic LEDs | Receptacles: | Gray | Best Buy