Cordless: Yes Diameter: 2.4 cm Battery charge indicator: Yes Product colour: Black Shell material: Ceramic-tourmaline LED display: Yes Battery capacity: 2 x 2600 mAh Power source: AC Battery technology: Lithium-ion Maximum operating temperature range (T-T): 170 - 210°C Control type: Buttons Technology: Warm Number of heating levels: 3 Charging time: 3 h Type: Curling iron Adjustable thermostat: Yes Continuous operating time (max): 35 min Auto power off after: 20 min Warnings: The appliance may become hot during operation. Avoid contact with hot surfaces.