1875w professional salon hair dryer,negative ionic blow dryer for fast drying,with 3 heat settings, 2 speed & one cool settings,ac motor with diffuser, 2 concentrator nozzlesd lpinye color:matte dark green handle folding: not foldable wind mouth style:2 collecting nozzle ,1 diffuser function: negative ions, hot and cold wind, constant temperature overheat protection: yes rated voltage: 110 (v) rated power: 1875w and above (w) wire length: 7.6ft hair dryer net weight: about 500g, compact and light, strong wind, easy to shape motor: seiko ac motor heating wire: advanced u waveform design application: salon / hair salon / barber shop / home / dormitory / travel / hotel, etc. lpinye hairdryer built-in negative ionic technology. the negative ionic technology heat for quick and gentle drying, while minimizing heat damage to make hair less frizzy and more manageable. the ionic conditioning technology in this hair dryer creates a lots of negative ions that can help reduce frizz by up to 75%, and contribute to shinier, overall healthier looking hair.this advanced ac motor that delivers powerful airflow, helping you dry and style your hair faster. the 3 heat/ 2 speed feature allows for custom heat and airflow to enhance waves, curls and sleek styles. a cool shot button locks style in place. includes a concentrator for smooth and sleek styles, as well as a diffuser for curls and waves.