OPTI-UPS Home AVR Series AVR SS2000 Mighty Voltage Regulator. 4 Outlets + 2 Adaptor-Spaced Outlets; AC Input: 120Vac; Input Voltage Range: 110V +/- 15%; AC Output: Typical +/- 5%; Efficiency: 95% above; Data Line Surge Protection: RJ11/RJ45. Features: Protect your equipments from damage by monitoring all incoming electricity and cleans out the damaging currents. Ensures that your equipments will receive only safe and clean electricity. Protect Equipments from: Brown out, Surges, Spikes. Buck & Boost LED display. Telephone/Fax Protection. Overload Protection: Automatic Shut off when Stabilizer is overloaded. Output Short Protection: When Stabilizer becomes shorted the power switch will turn off power. 3 years limited Factory Warranty.