Radiant 28mm Hair Iron Straight Professional Specifications Instant Moisture Evaporation Prevention Moisturizing Silk Plate Reaches 220 Degrees in 30 Seconds 【Reaches 220 Degrees in 30 Seconds!】 Avoid the "still lukewarm!" feeling during busy mornings. Hair is surprisingly cold, and the temperature drops when you apply a hair iron, but the quick temperature recovery means you don't have to apply it repeatedly → minimizes damage. 【Automatic Power Off After 30 Minutes】 Have you ever gone out and then thought, "Did I turn off the power?"? In such cases, Radiant's power-off function is helpful. You'll hear a "rattling" sound from the main unit, which is the sensor.