It has such features as wide varieties, complete specification, undistorted waveform,high efficiency, reliable performance, and long-term operation, etc. and also beingprovided with the protective functions of time-delay, over-voltage, and under-voltage.Specifications:1) Input voltage: 150 - 250V AC 2) Output voltage: 220V?% or 110V?%3) Ambient temperature: -5 ~ 40癈4) Output over-voltage protection: AC 248V?V5) Power: 500VA 6) Applications: computers, testing equipment, lighting equipment, X-ray equipment, medical equipment, photographic processing appliance, numeric control machines and tools Inner packing: 1pc/color boxOuter packing:4pcs/cartonCarton dimensions: 42.5 x 24 x 35cmG.W.: 22kg producing area:China payment:30% deposit in advance, 70% by T/T or L/C at sight