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). Key Features 1 outlet; direct plug-in Surge energy absorption: 600 joules; 6,500 amps Diagnostic LEDs indicate protection present (green) and ground present (red) Lifetime product warranty $5,000 Ultimate Lifetime Insurance (USA, Puerto Rico & Canada only Typical Applications Ideal for laptop computers, video projectors, office machines, and appliances Package Includes SPIKECUBE Surge Suppressor Warranty and instruction information