Led mister uses high-frequency ultrasonic vibration to tap water into relaxing mist, no chemical, dry ice used. perfect for aquarium, fountain, pond, water feature, botanical garden or any place you want to create a mysterious atmosphere. Our mist maker features color changing lights slowly morphing from one to another color (purple,red, blue and orange), 12 bulbs together with fogging to create a funny, appealing look to decor your aquarium. Auto shut off when fog maker come out of water, restarts when fully submerged. As the water evaporates quickly, always keeps the mist maker fully submerged, fill water as needed. Made from aluminum alloy shell that is corrosion resistant. Low voltage 24V dc powered design keeps you and fish safe. Warning: do not run this unit more than 8 hours per day. Easy to install, place the fogger fully submerged in water and sit on top of the rock or something to hold on it, simply plug in and leave it. To achieve the best fogging effect, keeps the mist maker fully submerged 2cm below water. Notice: This item is only a Mist maker, is not equipped with power supply. Input voltage: 24V Temperature: 1-45 Applicable water depth: 40-60mm Colour: silver Material: metal Package Contents: 1 * Fog machine Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.