The You Pro Cordless ThermaCell 3/4-inch curling Iron is a cordless iron with loads of great features. With no plugs or batteries needed, you can use this styler anywhere. The replaceable Thermacell butane gas cartridge lasts for months of use. It"s compact: The styler’s neat, portable size makes it easy to store away or pack up for travel. It also heats up fast, no waiting. This iron reaches ideal styling temperatures in only 2 minutes. Butane cartridge included: No messy refilling. Replacement cartridges are available from your favorite local retailer. Use only Conair Thermacell butane cartridges in your curling iron.