Property me the charger from Ansmann bought because I was looking for a universal power supply that can be used not only for a device. Use the unit at the moment preferably with a UV insect killer insect lamp - battery and mains operated, the I bought here on Amazon. The tension is between 3VDC - adjustable 12VDC. To set the required voltage via a recessed dial. These Ansmann sets yet at different adapter to connect the power supply. On the polarity of the customer must however pay themselves. This one should the mark, which is printed on the leaflet cancel, at least.
Otherwise, the device gets full marks and a strong buy recommendation !!!