UNIQUE SU series UPS integrated with latest on-line and communication technology, giving a perfect power solution for your restrict requirements. CPU control and PWM technology, making our UPS a reliable pure sine wave power hub, suitable for all type of inductive resistive or complex loading. Higher efficiency and better protection, you can control the UPS by computer interface or SNMP adapter.And more important is SU series UPS has AVR inside which works in wider input range and with higher precision.