UPS 1000VA SYSTEM By CKTBrandSystemModelUPS 1000VARated Capacity500 Watts / 1000 VANominal Input Voltage220Vac plusmn;35%50hz plusmn;10%Nominal Output Voltage220VAC plusmn;1% , 220 VAC plusmn;10%50hz plusmn;0.1%Indicator & Audible Alam/ ProtectionShort circuit amp; Overload, Surge Tel Line, Surge For Laser PrinterUL & CSA (ปลั๊กไฟเข้า)AC INLET AS-0..