This product is a newly developed product in our shop, the most trusted supplier and the most affordable price, to provide you with the most satisfying shopping experience Has a constant temperature.   Simply Straight Ceramic Electric Degital Control Antiscaled Brush Fast Hair Straightener Brush CombWith Lcd Display Specification: Power: 40w Plate: Ceramic Color: Black Heater: MCH Temperature: LCD Display Max temperature: 230C/450F Voltage: 100v-240v Product size: 27.5cm*7cm*4cm Net Weight: 430g Feature:    1. Heats up fast  2. 60minute Auto shut- off  3. LCD Screen Display Temperature  4. 3D Ceramic Bristles Gently Straightens Hair  5. Temperature Control Adjustable up to 450 F  6. Ft. Swivel Cord Usage: 1. Separate a section of hair to be straightened.                                            2. Place Simply Straight brush close to the roots of selected hair.                                            3. Hold the hair firmly and brush down from root to tip.                                            4. Repeat steps 1-3 times. (After use, press the On/ Off to turn off the brush, then unplug it. Wait until the brush is completely cooled down before handling or storing) Package Including: 1 x Simply Straightener Brush 1 x Power Adapter 1 x Instruction Product Description     1、100% Ceramic tourmaline heat plate, heat more evenly     2.When the product reaches the maximum temperature,The red tips surface is only 50 degrees Celsius, no worry. to be scald.     3.The Anion injection holes on the surface of brush will realease much ozone to protect you hair from damage when it is working.     4.Digital LCD display shows the operating situation on the clear and active screen.     5.Enhancing the most advanced ceramic heater(MCH), quick heat up and constant heat .     6.Dual voltage for worldwide use.

just exactly as seen and describe in the description section