It is normal sound from electric current and won't affect iron's normal performance

New version Avanti Ultra CROC flat iron powered by CROC with Higher Temperature to 450°F

Floating wide plates

Fabove is the authorized distributor of HairMax LaserComb in Canada

gets very hot

BaBylissPRO Leandro Rootreacher Flat Iron 1-1/2" ALURAM It is normal sound fromThe BaBylissPRO Leandro Limited collection is an exquisite range of premium styling tools that celebrates the life of Leandro P. Rizzuto, the founder of Conair Corporation. True to this legacy, this rootreacher iron is sure to impress. The teardrop shape housing gets as close to the scalp as possible, delivering precise, dent free straightening from root to tip. Create ultra straight, high shine results like never before. Model # LL002C. Features 1 1