Marine Autopilot Systems: Size: Varies by model (typically compact for integration); Grade: Marine-grade; Viscosity: N/A; Buoyancy: N/A; Material: Corrosion-resistant metals (aluminum, stainless steel), waterproof electronics.
Navigation Systems: Size: Varies (displays range from 7" to 24"); Grade: Marine-certified (IMO, IEC); Viscosity: N/A; Buoyancy: N/A; Material: UV-resistant plastics, reinforced housings, waterproof components.