Control your autopilot even when you�re below deck and away from your autopilot. Raymarine offers two new add-on wireless remotes compatible with many Raymarine SeaTalk base autopilot systems. The intuitive menu structure allows for easy operation and to easily access features. Take full onboard control with the Smart Controller that uses two rechargeable NiMH batteries (included) and on average operates for two weeks from a single charge! The wireless ST100 gives you basic, onboard control and operates on two "AAA" alkaline batteries (not included). Both have a lightweight and compact design for easy handling. Two-year warranty.