Please read manuals before using. This is not an easy beauty tool. But when you know how to use it, it will be very easy to make out beautiful curls.[AUTOMATIC HAIR CURLER 15x1.1''/1.3" in SECONDS & AUTO POWER OFF after 60min: hair curling wand automatically grasp and wrap your hair around the barrel; 28mm/1.1inch Curl; Amazing Effect of the hair curling iron curling wands: professional automatic curling irons with ceramic create extra-large, beautiful large "S" waves Note: if you bought defective product, please contact us for a refund or a new replacement without return. [Advantages of the automatic rotating hair curling wands]: high-quality high-temperature insulation material; stainless steel stent; LCD screen, a more convenient control of temperature; 360 anti-winding tail line; faster heat up for instant results Automatic hair curler creating S waves to let you be the barber too with our hair curling iron curling wands; unique design, arbitrary, and let your hair more charming and elegant [Automatic hair curler with Dual voltage 100V-240V for travel]: Usage and parameters: switch to 210 to start and when the hair wands are up to operating temperature, switch to 180; voltage: 110V-240V; frequency:50-60HZ; power:45W; rated temperature:100-230/212-446; hair curing iron size: 15x1.26/37x3.2cm; heated curler wand size:1x5.5/2.6x14mm; hair curing iron weight: 0.5kg/1.1lb; hair curler wire length: 2m/6.6ft, heated wand diameter:1.4/3cm