IKEA Power Adapter Model ICPSW24-19-1 (24.0V~23W)
Tested and working. Make sure this is the correct voltage for your device. This is a 24 volt power supply.
There are 7 volt and 4 volt lamps with the same connector, other devices as well. If you plug one of them into this it will fry them. For 24 volt devices ONLY.
Item is as pictured.
Multi-meter for demonstration purposes only, not included.