Dell 2001FP LCD Monitor 90W 20V 4.5A 4-Pin DIN 3-Prong AC Switching Power Adapter R0423 0R0423 CN-0R0423.Dell Part Number: R0423 0R0423 CN-0R0423Model Number: LSE0202C2090Compatible Models: Dell 2001FP LCD MonitorSeries Family: PA-9Specifications:Input Voltage Range: AC 100V - 240V 1.5A 50-60HzOutput Voltage: DC 20V Output Current: 4.5APower: 90WEfficiency Level: IV