Dyson TP04 Remote Control in White Silver. 

Product Code: 969154-02. 

Replacement remote that fits all the Dyson purifier in the list of appliances below.

Features:
Controls power on / off
Precise airflow settings
Sleep timer and Oscillation control

Suitable for the following Dyson models:
TP04  TP07
Dyson Pure Cool™ Tower Purifier