Product introduction:1.It is a brush for both straight and curl hair.Ultra high speed heat conduction, speed up to reach 230 â?? maximum.2.It is 110V-240V correspondence, it can be used overseas.3.You can use either code that can rotate 360 degrees, regardless of location.LED display is easy to see temperature setting screen.4.Choose a different level with the "+" temperature increase or "-" emperature lower key than your own hair situation.Fast fever, save not only time but also zero damage to hair.Standard:Color: Red, WhiteVoltage: 110 V - 240 VPower: 25 W - 39 WFrequency: 50 Hz - 60 HzSelection temperature: 130-230 â??Thermal conductive material: Electric ionic ceramicHair: both wet and dryHow to use:Straight hair case:After turning on the power, press ON / OFF switch, wait about 30 seconds and start straight.From the situation of yourself, choose a different level with "+" temperature rising or "-" temperature lowering key.After that, when you press the ON / OFF switch again, the power turns off. Or if you do not use it for 30 minutes, it will turn off automatically.For curl hair:After turning on the power, press the ON / OFF switch.Then open the protective cover on top of the brush.After waiting for about 30 seconds, start to curly hair.From the situation of yourself, choose a different level with "+" temperature rising or "-" temperature lowering key.After that, when you press the ON / OFF switch again, the power turns off. Or if you do not use it for 30 minutes, it will turn off automatically.Set items:1 * Straight hairbrush1 * Instruction Manual