This avoids overheating any one part of the hair, enabling higher heat settings to be used. The barrel heats up and cools off quickly in response to changes in power settings, and has a total of 25 different temperature settings with a maximum of 400 degrees. The 9 foot power cord allows for freedom of movement and is designed to avoid tangles. Ease of use is also improved with the handle design, which is textured and rubberized to avoid slips. This curling iron is dual voltage, allowing it to be used worldwide.