Please Note: Products are designed and rated for use in the United States using 120 volt current. With or without a transformer, this product is not recommended for use outside the US.Fog Maker Unit comes with complete instructions and UL Listed AC Adapter with 6' long power cord. Unit creates fog with ordinary tap water. Place unit in glass or plastic container (not included). Please Note: Video shows Fog Maker Unit inside a Plastic Bowl for illustration purposes. Bowl is not included with this product but is sold separately. Keep water level 1" - 2.5" above fogger unit for proper operation. Product Note: This product produces a bubbling stream of water as it produces fog. We recommend: Place the included plastic Splash Guard over the Fogger Unit to prevent splashing. Using a bowl that is at least 6" high or higher to prevent water from bubbling over the side. Placing a towel under unit. Placing unit on a surface that can get wet.