*Use high-quality all-copper shell material, with good heat dissipation. *24V safe voltage. Plug in the power and put it into the water to work. *Fits for a wide range of Opti-Myst series electric fire heaters requiring a transducer unit. Note: will NOT fit for Opti-Myst models that are fitted with an all-in-one sump and transducer assembly. *The transducer has a built-in low water level sensor, if the water level becomes too low, the device can be automatically closed. The atomizer slightly heats up when it is working, but it will not become too hot when the water is placed. *Widely Application: This electric fire heater transducer mist maker can be widely used in simulating the fireplace flame effect, disinfection equipment atomisation disinfection and fish tank landscape production and other fields.