Disk size: 20mm diameter Super high output 12 jet mist maker. Outdoor/indoor transformer. Fogger size 6"(dia) x 2 1/2"(h), cord length 32', great for pond or waterfalls Our pond foggers emit a dry ice-like fog in seconds. Pond foggers come with and without LED Lights. Uses ultra-sonic sound waves, no chemicals and fish safe. Adds an exotic touch to any indoor fountain. Simply place in fountain, plug it in and instantly the free flowing fog creates an atmosphere of mystery and intrigue. Add a few drops of essence oil to produce a beautiful aroma to immediate surroundings, thus, enhancing the mood. Ultrasonic technology eliminates the need for any chemicals. The dry-ice effect without the dry ice! Completely safe!