Five surge and battery protected outlets (750/900VA models) Five surge-only outlets for protection non-critical accessories (750/900VA models) All outlets are NEMA 5-15R Power cord NEMA 5-15P (5ft with a right-angle plug) Input circuit breaker protection Compact case design Sleek LED lighting bar and log display LED status indicators (450/600/750VA models) USB Communications Hot-swappable battery Easy battery access Tool-less battery replacement design 3-year warranty (electronics) 2-year warranty (batteries) RoHS 2 compliant Energy Star 2.0 certified High-efficiency Green Mode Transformer-friendly receptacles DC Startup capability Built-in self-diagnostics testing Audio & Visual alarms Alarm silencer button RJ11/45 surge protection port Surge Energy Rating 1000 J Waveform Type Stepped Sine Wave Output Frequency 60 Hz Input Frequency 60 Hz Load Capacity (VA) 750 VA Load Capacity (Watt) 450 W