Prime 8-Outlet 3240J Block, RJ11/CAT5/Coax, 6" Cord, Black : * EMI/RFI filtering * Auto shutoff cuts power from the surge protector during a catastrophic surge, protecting the connected equipment * Lighted on/off switch with built-in circuit breaker protects against overloads * Protected red LED indicator shows surge protection is functioning * Grounded green indicator LED shows surge protector is plugged into a properly grounded outlet * Sliding outlet safety * Indoor use only