Protect Your Fish Finder: Durable silicone cover helps keep your HELIX 7 unit protected when not in use Designed for All HELIX 7 Models: Compatible with all HELIX 7 series products Secure Fit: Designed for a snug fit to protect the screen and casing from scratches and sun exposure Easy to Use: Slips on and off easily for quick storage and access Important Note: This cover is not for use while trailering your boat