... 7A Automatic Voltage Switcher AVS7Avolt guard, voltage surge protector, voltage switcher, automatic voltage switcher, automatic voltage protectorIntroduction:Protects against low voltage,Brown-outs and voltage dips.Thses ... Appliances:All sensitive electrical and electronic equipments,especially for TV,Video,Hi-Fi,Fax,Photocopier.Cash Registers,Electronic Scales,Notebook,PC etc.By ...