Power: 34 W;Voltage: 110V~240V; Frequency: 50/60HZ;Temperature: 180-220;4 TEMP & 3 TIMERSAuto curling iron has 4 different temperature settings, adjustment from 320F to 428F, fit different hair types1" LARGER SLOT DESIGNAuto Hair Curler is designed with 1 inch Large Rotating Barrel, Only Press the button then Select a strand of your hair (1cm-3cm diameter is best until you hear a beep sound, and you can get charming wavy curls within 10-20SEASY TO USE: This automatic curling iron heats up quickly and is very easy to use. It utilizes full automation and allows for easy maneuvering to create beautiful curls. To use, simply long-press the left or right button to choose your desired temperature. Once pre-heating is complete, the device will automatically curl your hair until a beep sound is heard.30 MIN AUTO SHUT-OFFThe hair curling wand has a safe feature that automatically turns off the device if it's not used for 30 minutes, ensuring maximum safety and providing a hassle-free operation. Additionally, the wand is equipped with a double-layered heat protection cover that safeguards against burns on your fingers or face.1 YEARS WARRANTYWhen you order this auto hair curler, you are protected by a 1 YEARS WARRANTY if you are not satisfied with our hair curler, or meet any quality, CONTACT US FREELY for free replacement