... Europe,USA,UK power 3.warranty:1year adapter 8V 3A ac dc power adapter from China manufacturer Features: ... %Ripple and noice: <1%Operating temperature: -20°C+45°CStorage temperature: -20°C+75°CMTBF: 50,000HoursProtection: ... 5A power adaptor,9V 2A power adaptor,12V 3A power adaptor(wall plug),12V 2A laptop power ... adapter, 18V 2A power adapter, 12V 3A laptop power adaptor,12V 4A laptop power adapter ...