Perfect Protection for Fish Finder: If you love marine fishing and own a Helix 7 fish finder or depth finder, you may worry its screen might be shattered or hurt by sun some day. Our Helix 7 unit cover is uniquely designed for you to resolves those worries. The Helix 7 unit cover is waterproof, sun proof and dust proof, a great way to keep your fish finder protected when not in use. It will keep your new fish finder with depth, GPS, sonar, etc. working for a long time.Durable & Perfect Fit: The black Helix7 silicone cover is made from 6mm thick silicone, heavy and durable enough to last a life time. It is specially designed according to Helix 7 units from 1:1 model and has a beautiful cut to fit the button, and the reserved grooves perfectly correspond to the buttons on the surface, so the flexible silicone protector tightly fits and snug on your fish finder’s screen. The boat fisher will not worry about damage of fish finder any more.Compatible with Helix7: The sun cover is compatible with various Helix7 fish finders including: HELIX 7 G4,HELIX 7 Mega DI unit,HELIX 7 CHIRP SI GPS G2N,HELIX7 G3N MEGA SI,HELIX 7 410300-1,ICE HELIX 7 410990-1,HELIX 7 CHIRP GPS G3N 411060-1.NOT for flush-mounted installations.If you're looking for a gift for your father or husband who enjoys fishing, a fish finder protector cover can be a great choice.It's the most surprising Father's Day gift for fathers.Extra Strap Included:This Helix 7 unit cover comes with 2 nylon straps to to prevent it from being blown away by strong winds in bad weather and stays on securely at highway speeds that will not blow off the unit. You can choose to wear this strap when you are in severe gale weather or at high speed.Easy to Use & Install: The sun cover of fish finder features two handles in front, making it easy to put on and take off by hands. No installation skill required. Simply cover it on your fish finder’s screen, then the cover will perfectly fit the screen and provide super protection. 12-month guarantee is granted. If any problem, please contact us and we provide 7/24 response.