1. gear adjustment, with temperature controller, you can adjust the temperature according to your own hair care needs.2. The drawstring can be used to adjust the size of the hat mouth to achieve the comfort level you .3. Non woven fabric heat insulation and uniform heat supply, so the nutrients in the hair mask are more easily absorbed, rapid heating.4. It can make the nourishing hair oil stay on the hair , so the hair can better nutrients.5. Help hair dryness, frizz, and split ends, repair damaged hair.Condition: Item Type: Hot Oil Treatment HatVoltage: 110VStyle: Temperature Control Gears: 3 GearsProduct Features: Intelligent temperature control, prevent scaldPlug Type:US Plug,it applies to Canada, ,Mexico, Thailand, the , the Philippines,Taiwan and so on.colour:blackMaterial:Fabric composite cottonsize:24x18cmPackage Contents:1 * Baked oil capOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.