What it is: TAO Ceramic Classic Flat Iron What it does: Silver Nano Technology: nano sized particles of silver are embedded into the iron. Ultra Slim Profile : lightweight ergonomic design allows close access to the roots and adapts easily to your styling techniques.Ion Generator : constantly produces millions of negative ions to seal the cuticle protect moisture and maximize shine. Instant Heat : delivers high even temperatures without damaging hot spots. Digital Display: temperature displayed at your fingertips. Multi-functional: the outer sides of the plates heat up to make curls curves waves or flips. What else you need to know: Heats up to 450 F.