There is no real fault to be found with this heating pad: It warms up quickly (TØ in the test up to 35.0 °C: 9:33min), reaches high temperatures (tmax in the test: 42.7 °C) and keeps them constant (±2.1°C). The range of functions is also decent, although there are only 4 temperature levels. It is nice that the outer material can also be cleaned/maintained in the washing machine.