Four temperature levels can be adjusted to choose the best temperature you like Long service life and stable performance Simple switch, easy to operate Luxury ion flat iron can be used for all types and textures of hair Instructions for use: Before work, comb your hair to make it tangled and smooth Plug the device into a wall outlet Heat to the right temperature Unplug the device after use specification: Power: 40W-59W Temperature controller: constant temperature Maximum temperature: 220 ° Min: 160 ° Applicable hair: dry Thermal conductor diameter: greater than 31mm Material of heat conducting plate / rod: tourmaline ceramic Heating plate size: other Voltage (V): 220V Power source: electricity Product dimensions (L x W x H): 25. 00 x 4.. 20 x 4. 00 cm / 9.. 84 x 1. 65 x 1. 57 inches Packaging dimensions (L x W x H): 30. 00 x 9. 00 x 6. 00 cm / 11.. 81 x 3. 54 x 2. 36 inches Package Contents: 1 x hair straightener 1 x User Manual