The exclusive Vicks Vaporizer with Steam Guard design provides maximum safety, performance and reliability. The vaporizer boils the water and produces a pure vapor which is released into the room. Pure steam vapor helps relieve cold and flu symptoms. The vaporizer will automatically shut-off when the water reaches minimum level. Dry room air is draw into the vaporizer. The vaporizer boils the water and produces a pure steam vapor. The pure steam vapor is quietly released into the air. Medicine cup for Vicks VapoSteam. Durable housing includes: Triple wall insulation to keep tank water at a safe temperature; easy-to-carry molded handles. Easy fill water level mark. Twist and lift cap with large nightlight to locate vapourizer in a dark room. Protective steam guard design lowers the outlet steam temperature by 20%. Exclusive non-rust carbon electrodes operate efficiently in any water conditions and require less frequent cleaning.