Nativity accessory, mist maker.
Smoke generator that uses electronic oscillations and ultrasonic frequencies. The ceramic membrane transforms the electronic oscillations in mechanical ones, thus producing mist and steam.
Instructions: put the mist maker into a tub full of water, keeping 1 cm water above the generator's membrane; plug the wire into the power transformer (included in the package); plug the transformer (220V); the mist maker starts producing steam.
Provided with user manual.
The wire is 2 meters long