540 Joules ; Directly plugs into wall outlet; 3 outlets on the front; 2 USB ports with a total of 2.1A USB charging; Reliable surge & line noise protection ; Direct plug-in ; Diagnostic LED indicates protection status; EMI/RFI noise filtering ; Automatic shutoff permanently cuts power to outlets if protection circuit is incapacitated, preventing equipment damage & indicating replacement is required; Limited lifetime warranty ; $5,000 connected-equipment Ultimate Lifetime insurance (US, Canada & Puerto Rico only);