Specification:Input voltage:AC220V 50\/60HzOutput voltage:AC12VWattage:20-50WLoad lamp:2pcs G4 20WSize:540*235*235mmFeatures:Overload protectionOver-voltage protectionShort-circuit protection20-50W LED Transformator TreiberLow voltage halogen transformer 220V - 12V 20-50W lamp lightElectronic Transformer for low-voltage halogen lampConnections: wire leads for input(red line) and output(white line)Package Included:1*LED driver