TRANSFORMER, WE-UNIT STM VIPER, 15L; Primary Voltages:85V to 265V; Secondary Voltages:1 x 5V; Power Rating:5W; SVHC:No SVHC (18-Jun-2012); Inductance:4µH; Output Voltage:5V; Supply Voltage AC Max:265V; Supply Voltage AC Min:85V; Transformer Type:Off Line