Network-grade 3,330 Joules of surge protection; 4 NEMA 5-15R outlets in 2 isolated filter banks accept most computer, networking and telecom equipment, 2 can accept transformers without blocking other outlets; Diagnostic LEDs confirm power, protection and line fault status at a glance; Durable metal housing designed for tough environments; 12 amp resettable circuit breaker prevents dangerous overloads; Lighted on/off switch for 1-touch control over connected components; Auto shutoff permanently cuts power to outlets if protection circuit is incapacitated, preventing equipment damage and indicating replacement is required; Metal housing for long life; Keyhole mounting slots on rear; 6 ft. AC power cord with right-angle NEMA 5-15P plug; Lifetime limited warranty; $50,000 Ultimate Lifetime Insurance (US, Canada and Puerto Rico only); Includes 4 safety covers;