The DEUS X35 search coils are available in 9” (22cm), 11” (28cm) and 13” x 11” (34/28cm) sizes. These coils will work with the DEUS in update version 5. Designed around brand new electronic advances, these new high performance and versatile coils will allow you to choose from a wide range of frequencies ranging from 3.7 kHz to 27.7 kHz. In total there are 35 available frequencies, based around 5 main frequencies that are quickly accessible. 5 Year parts and labor warranty.