Delivers gorgeous volume and brilliant shine in a single step-unique oval brush design for smoothing the hair, while the round edges create volume. 2 heat/speed settings + cool option for styling flexibility safety first: the Revlon one-step hair dryer and volumizer meet U.S. Safety requirements and feature the ETL certification seal (look for the 'test' button on the plug which is required for all hair dryers in the U.S.), unit is designed for 120-volt USA outlets only. Do not use a voltage converter as it will damage the unit. Note that the wattage of this appliance may vary depending on the location of use. Packaging may vary due to continuous product improvements-the Revlon one-step hair dryer and volumizer is a designed hot airbrush to deliver gorgeous volume and brilliant shine in a single step. The unique oval brush design smooth hair while the rounded edges quickly create volume at the root and beautifully full-bodied bends at the ends in a single pass, for salon blowouts at home. Boosted by ionic technology through a built-in genuine ion generator, hair dries fast and helps reduce heat damage. The one-step unit is designed for 120V USA outlets only, we do not recommend the use of a voltage converter as it will damage the unit. Safety first! The Revlon one-step hair dryer and volumizer meet U.S. Safety requirements and proudly feature the ETL certification seal.