1) huge capacity,
2) constant temperature time can be set by itself (hand-controlled without using the timer),
3) auto-cycling water and wax-blunt and boil devices.
4) Saftey protection function if the machine without water then power off automaticly
5)stainless steel
6)can be set heating time, so you can set it begin to heat inadvance before you be in office
7)with mobile casters.