... High reliabiliby 2, CE, CB, CEC,UL 3, 9V power adapter 4, Good quality, Competitive price Features Universal Input ... VACOptional Output ConnectorFull copper, No ground1 year warranty Power adapter 9V Input:Input Voltage Range: 90 ~ 264 VacInput ... 5V-40Vdc Output Current Range: 0.3A-2.0ATotal Power: 18W Max. Line Regulation 1 %Load Regulation 5 ... ), and Optional. UL CB CE certificated 9V power adapter