Bought home and in fenced yard found a small solar panel one to two inches square?

The panel has two triple A batteries with wires going down two inches in a plastic tube. The wires are connected to a small black box ( box rectangle

The panel has two triple A batteries with wires going down two inches in a plastic tube. The wires are connected to a small black box ( box rectangle about one half inch by quarter inch). Tube is full of water, I don't know if that has any bearing.

or:The panel has two triple A batteries with wires going down two inches in a plastic tube. The wires are connected to a small black box ( box rectangle about one half inch by quarter inch). Tube is full of water, I don't know if that has any bearing.


or:So what is your question? We can't guess anything from your description.

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