Temperature Setting--Press""Menu""to select temperature, direction, / and timer one after the other and press ""Adjustment"" to set the value temperature range: 150, 160, 170, 180, 190, 200.6 Timer Setting--TimerRange:8S~18S--Meet your expectations for all curl effect--Long Lasting and easy to use--With this device that instantly turns curves into curls and offers a 360 3D all-round heating, your hairstyle is instantly fixed to keep your curly hair longer. effortlessly sculpt the perfect curl.Hair Beauty and Mini Size--Enjoy your hair beauty--Enjoy the hair beauty of it anytime, anywhere.--Cordless restriction-- Cordless curl with built-in battery pack can be easily carried in the pocket or backpack of the perfect size (just 7.6 inch long) that fits comfortably in the hand to lure the hair faster.How to Use?1. Press and hold ""Power ON/OFF"" for 2 seconds to turn on the unitNote: To turn off, press and hold""Power ON/OFF"" for 2 seconds.2. Press""Menu""to select temperature, direction, / and timer one after the other and press""Adjustment""to set the value Temperature/Direction/Unit. The appliance starts to heat after setting the temperature.Note: The heating symbol flashes during heating. When the temperature setting icon is reached, it will stop flashing and you will hear a beep4. Comb through to remove all tangles and divide the hair into sections no wider than 0.78 inch5. Pass the hair section through the curler chamber and hold down the Start button to activate the motor that pulls the hair into the curler chamber.6. Release the start button when you hear the first beep.7. The automatic curl is completed when you hear the last beep.