Fantasea FG7xII S HousingThe FG7X II S Housing was specially designed for the Canon G7 X Mark II digital camera. The FG7X II S Housing features the Fantasea Hybrid Vacuum Safety System (included with the housing), which contains both a pre dive vacuum check and an on dive leak detector. The system allows confirming the watertight seal of the housing prior to the dive using the vacuum system and monitoring the housing seal during the dive using the moisture detector. The FG7X