220 degrees heat up temperature. Ceramic coated. 60secs heat up time. Ionic - tourmalines. 4 pre-programmed heat settings for each hair type. Digital. 3m salon cable. The first straightener with revolutionary SMART HEAT technology. Equipped with intelligent preset programs that have been designed and tested for specific hair types: thick/curly, coloured, fine/normal and damaged/synthetic. At the touch of a button it automatically adjusts temperature to the most appropriate to your hair type to ensure hair is cared for whilst creating perfect styling results. 30 day money back guarantee. Manufacturer's 2 year guarantee.