- With 500 W of power, this Staywarm plug-in heater is perfect for taking the edge off cold mornings - Set the temperature anywhere from 15°C to 30°C and dial in the perfect warmth - You can choose from two speed settings to get the perfect airflow for your space - The thermal cut-out switches it off as a safety measure to prevent it from overheating - Its whisper-quiet operation is perfect for work calls, baby naps or sneaky afternoon snoozes - The portable design plugs directly into a plug socket which means no trailing cables