A demo set refers to a unit that was used as a display in Challenger stores.

It is in good working condition that works almost like a brand new set and has undergone stringent checks to ensure its suitability and condition for consumer's purchase and usage.

Feel free to check the condition of the demo set that you are purchasing and highlight to us if you encounter any issues pertaining to the demo set that you have received. 

Learn more about warranty information here.