1. sine wave Line interactive UPS 2.3 step AVR LCD display ups, 3. 10-30mins backup time ups 4.LCD display 5.CE Pure sine wave Line interactive ups inverter 2000va Main features: Suitable for installation on PCs running Windows Vista, 2003, XP, 2000, Me, 98; Linux, Mac OSX and the Sun Solaris operating system. Accurate pure sine wave output ;strong capacity of different load. Advanced performance ...