This cordless auto hair curler features a ​ceramic coated plate​ for even heat distribution and reduced hair damage. It is powered by a high-capacity ​ICR21700-4000mAh/5000mAh Li-ion battery, which requires approximately ​3.5 hours to charge​ and provides ​over 55 minutes of cordless operation. The barrel size is ​60φ25mm, suitable for creating various curl styles. For safety, it includes a ​5-minute auto shut-off function​ and has ​two indicator lights​ that display the temperature settings of ​160°C and 190°C