0ur opinion: :0ne of the most popular Lowrance handhelds, now with a crystal clear color display - plus 16-channel GPS precision. The iFlNDER H20 comes with sporty styling and a sure-grip rubber welt seal, along with dual processors and a high-res color screen!
The iFlNDER H20 C Plus has the same great features of the standard model, with the added plus of one MMC/SD memory card, and an MMC/SD card reader with USB connector - for making custom, high-detail mapping.
:0ne of the most popular Lowrance handhelds, now with a crystal clear color display and a 16-channel GPS precision, the Lowrance iFinder H20 C Plus comes with dual processors for higher speed screen updates and scrolling, sporty styling and a sure-grip rubber welt seal. This system has the same great features of the standard model, with the added plus of exclusive MapCreate mapping software, one MMC/SD memory card, and an MMC/SD card reader with USB connector for customized, high-detail mapping. Compact and portable, the H20 C Plus features a built-in background map, including interstate exit services, of the continental United States and Hawaii. There's also one MMC/SD digital media memory card slot for mapping and recording capabilities, an antenna port for connecting the optional external GPS and WAAS antenna, and an internal back-up memory to keep your important data secure.
Reliable, powerful, and user-friendly, the H20 C Plus features easy point-and-map operation for navigation and routing and dual Easy and Advanced operation modes. lts 2.83-inch, diagonal, color TFT display offers 320 x 240 pixel resolution for optimum readability, and the white LED backlit screen offers excellent direct sunlight and low-light or night viewing. The H20 C Plus also gives you access to 1,000 waypoints, 1,000 event markers, and 100 routes, as well as up to 100 savable and retraceable plot trails, with up to 10,000 points in any trail. For added trip-planning convenience, you can take advantage of 40 map zoom ranges (0.02 to 4,000 miles) and 63 graphic icons to mark special spots.
Compatible with optional Lowrance FreedomMaps, Fishing Hot Spots Elite, LakeMaster Pro Maps, NauticPath USA, and Navionics electronic charts, the H20 C Plus is waterproof to lPX7 standards, so you can take it wherever you go. Convenient and versatile, it operates up to 14 hours or longer on two 'AA' batteries (not included) and comes with a full one-year warranty.
Piece Availability: Usually ships in 1 to 2 days
Testimonials
Average Buyer Rating:

Buyer's feedback: 
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* Serious bugs and no tech support ...
What started out as a positive experience quickly turned sour. This product has various software bugs that cause the unit to crash and reboot. In particular when "finding" an item such as a tide table. Sometimes it works but mostly it starts beeping then reboots after about 5 seconds. There are other software bugs as well which I've encountered. Now the good part....I've called Lowrance tech support three times and they have yet to help me with this problem. 1st time I waited about an hour on the phone before I was allowed to leave a message (go figure, I guess they hope you'll give up and go away). Someone called back and left a message when I wasn't standing in front of my phone and didn't bother to leave a direct phone# so....you guessed it...I had to call again and leave another message after another hour with my ear plastered to the phone. Since then I've sent 2 E-mails to them and called one last time and waited another 30 minutes to no avial. Clearly Lowrance has some serious technical and administrative issues. Is this a hot looking product with lots of features? ...sure...but trust me....its not worth the headaches and reboots when you're sailing up a narrow channel (as I was). Avoid this product and consider another brand until Lowrance decides to grow up.
Very dissipointing.
Buyer's feedback: 
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Lowrance H2O C
Purchased this unit so I could find some streets on a trip to the South. This unit is better utilized in a camping or hiking mode. It does not plot a trail to an address using a street structure. It will plot a trail, but is as "the bird flies". It does have excellent battery life, and the power point adapter included is great. Buy the Plus unit because you get the mapping software and an MMC card which you will need. The built in map is only good down to 8 miles zoom in. Anything closer and you will need to have created a custom map. Quality is excellent, as is my experience with Lowrance. The mapping software is also excellent. This unit will work great in my boat as well. Mapping software is also excellent and easy to use with unit. Overall I am happy with it.
Buyer's feedback: 
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* Lowrance iFinder H20 C Plus GPS ...
The display is outstanding, even in bright sunlight. The night viewing feature is great for driving at night as well. Although I haven't learned how to use any of the advanced features yet, I navigated myself around the middle of the desert while off-roading with only a cursory introduction to this GPS device. My only (minor) complaint is that the rubber boot that covers the cable connector on the bottom doesn't want to stay put. Highly recommended.