The temperatures are influenced by many different factors such as the surrounding temperature, insulation of the outerwear and heat absorption of the skin. The heating power in the three modes can be specified as follows:

Mode 1: 2 watt
Mode 2: 4.5 watt
Mode 3: 7 watt

The heating output of the entire human body is about 100 watt, which means that the warmX-undershirt produces about 7% of the heating output of the human body.