Take the chill off cold days and nights with the vonhaus ceramic ptc fan heaterr r this handy little heater is ideal for warming up rooms quickly and efficiently and comes complete with 2 heat settings to achieve the perfect temperature the vonhaus ptc heater also comes with a cool air function great for warmer daysr r adjustable thermostat control which helps to prevent heat loss once the perfect temperature has been reached temperature can be set between 0 40 degreesr r ceramic heat