The RRDYS01.2 is a compatible replacement remote control for Dyson PH01, PH03, and PH3A Humidify+Cool Purifier models. This remote operates the full range of functions including fan speed adjustment, purification modes, humidification settings, and power control. The RRDYS01.2 works as a direct substitute for original remotes 970486-06 and 970486-15, offering the same wireless functionality and button layout. Compatible with all Dyson PH-series humidifier-purifier units, this remote restores convenient operation from a distance.