Microprocessor Control Guarantees high Reliability Comprehensive Self-Protection Design Audible Alarm Mute Cold Start Function Auto Self-Testing System While Turning on UPS Wide Input Voltage Range Capacity: 6000VA/4200W 10000VA/7000W Input voltage: 220V8230V/240V Output voltage: 220V8230V/240V Power Factor: Input >0. 97 Output 0.7/0.8 Waveform: Pure sine wave Inter face: Smart RS-232, USB Port option, Dry-Contact, SNMP, EPO.