Just fill the tank with water and get cleaning results without the effect of harmful chemicals. With 3 design suction cup bottom for adsorption on glass, smooth and flat surface stably, anti-slip when processing. Easy to use by pressing the ON / OFF button.Jewelry cleaner only, other accessories demo in the picture is not included. Powerful cleaning system works to gently remove dirt, dust, and grime from your valuables, including jewelry, watches, eyeglasses, photo lenses, retainers, ornaments. 100% brand new and high quality