[Hair Protection] The 2-in-1 rotary curling iron adopts 100% hard-oxidized heating plate, which can make the hair scales fit more closely and heat evenly without damaging the hair fiber.[Sturdy and Durable] The curling iron adopts a floating bottom plate in conjunction with environmentally friendly alloy rollers to maintain its elasticity. Hard and wear-resistant surface for a longer service life.[Fast Heating] The PTC fast heating hair straightener heater can reach the highest temperature in 60 seconds. The temperature is more accurate, so you don't have to wait longer to curl your hair.[Three-level Temperature Adjustment] The fast heating hair straightener and curling iron have three-level temperature adjustment, the first level (230-302), the second level (320-356) and the third level (392-446)[Safety] 60 minutes automatic safety power off, suitable for home and travel, ensuring safety.