The Aiphone AI-JX-DVF-AC is a Marine Grade panel with an integrated AI-AC10U keypad and can be useed for attaching existing AI-JO-DVF or JP-DVF onto the AI-Jx-DVF-AC. The AI-Jx-DVF-AC is only compatible with JO-DVF and AI-JP-DVF entrance station, therefore the AI-JOS-1F kit or the AI-JPS-4AEDF kit can also be used.