Six-outlet surge protector features a surge circuit and automatic power shutdown. Red and green lights indicate that the outlets are surge-protected and grounded. Surge protector features one master outlet, four dependent outlets to detect the change of the current in the master outlet, and one unswitched outlet. Energy-saving design includes standby power of less than one watt. 1875-watt surge protector offers 2160 Joules of protection, a 6' cord, 15 amp circuit breaker, 60Hz frequency, 330V clamping voltage and EMI/RFI noise filter. cUL approved.