Voltage: 110-240V, Frequency: 50/60 Hz~ Power: 25W PTC heater Power cord length: about 2 meters, 360 degrees rotation to prevent defects in the use of winding power cord Euro plug is an electrical fault. Two gear switches, low temperature about 170 degrees, high temperature about 190 degrees, indicator shows red, PTC heating 60-120 seconds fast heating, aluminium alloy comb spray ceramic glaze technology, PA66 engineering plastic comb, PC engineering plastic handle, 360 degrees rotating power line to prevent winding in the use process, wire plug default is Euro VDE round plug, when connected to the power supply, open. Turn off the first indicator light for green light, the second indicator light for red light, choose the appropriate temperature to preheat for about 60 seconds before starting to use, start with hair root, comb hair to fit, men suggest combing back, when combing hair, it is recommended to stay slowly for about 1-2 seconds, comb back slowly, repeat two to three times, the hair quality is fine and soft, low temperature gear 170 degrees, hair quality is thicker. It is recommended to use high temperature gear 190 degrees. Or use it according to your own preferences. After you comb your hair, you recommend using water spray.