The redesigned and reengineered arizer extreme with a focus on even higher quality improved performance and longevity the extreme q temperatures can be displayed in celsius or fahrenheit precise digital temperature controls are adjustable in 1 degree celsius increments with a full temperature range of 50 c 260 c 122 f 500 f temperatures can be changed easily at any time with the buttons on the unit and the remote control new quiet fan new midnight chome finish new clear view lc