An adjustable timer module for iCON 12V models. The module concept which is unique to iCON, gives one the option of determining how you wish to control the fan. It offers airflow has invested extensively in the research and development of modules to bring customers the most versatile controllability available in the extractor fan market. · · · Manual ON/OFF control via pull cord or remote switch · · Adjustable timer can be set between 1-30mins for iCON run on · · Fits in all low voltage (12V) iCON fans · · For Use In An iCON 15S, iCON 30S · · Modules Can Be Changed Without Having To Change The Fan · · 12Volts