Outlets Type: NEMA 5-15R Input Voltage: 110 V AC / 120 V AC EMI/RFI Noise Filter: 150KHz to 150MHz Clamping Voltage: 330 Volts Certifications: UL, ROHS Features: EMI/RFI Shielding: Provides shielding against electromagnetic interference & radio frequency signals. Most commonly, this is used to prevent line noise or humming that occurs over telephone lines or stereo electronics. LED Indicators: LED status lights indicate Power-On and wiring faults. Resettable Circuit Breaker: Convenient unit reset in case of an overload. ISO & Safety Certifications: All CyberPower manufacturing facilities are ISO-9001 Quality Tested. Our products are also UL Registered