Sway Hair Straightening. Benefits: For all hair types with 32 heating levels from 140 to 450 with advanced MCH heating technology. Automatically detects the set temperature and calibrates 30 times per second to avoid hair damage by high temperatures. Anti-scald design. Features: Fast 10 second heat up and 5-minute auto-off. Sway on technology with patented gravity sensor,just sway the styling iron to activate it,plus an automatic shut off function based on non-movement. 1"3D floating plates to smoothy glide through hair avoiding damage. Key Notes: LED display and temperature memory. 360swivel power cord. International dual voltage 100-240V.