--- product_id: 55391630 title: "JOYWEE FF688C 3.5\" Phiradar Color LCD Boat Fish Finder 200KHz/83KHz Dual Sonar Frequency 80M 240ft Detection Muti-language Auto zoom" brand: "phiradar" price: "S$244" currency: SGD in_stock: true category: "Phiradar" url: https://www.desertcart.sg/products/55391630-joywee-ff688c-3-5-phiradar-color-lcd-boat-fish-finder store_origin: SG region: Singapore --- # 3.5" sunlight-readable LCD Dual 200/83KHz sonar beams 240ft max depth precision JOYWEE FF688C 3.5" Phiradar Color LCD Boat Fish Finder 200KHz/83KHz Dual Sonar Frequency 80M 240ft Detection Muti-language Auto zoom **Brand:** phiradar **Price:** S$244 **Availability:** ✅ In Stock ## Summary > 🎣 Catch the future of fishing—see what others can't! ## Quick Answers - **What is this?** JOYWEE FF688C 3.5" Phiradar Color LCD Boat Fish Finder 200KHz/83KHz Dual Sonar Frequency 80M 240ft Detection Muti-language Auto zoom by phiradar - **How much does it cost?** S$244 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/55391630-joywee-ff688c-3-5-phiradar-color-lcd-boat-fish-finder) ## Best For - phiradar enthusiasts ## Why This Product - Trusted phiradar brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Deep Water Detection up to 240ft:** Accurate depth readings with 1/10th precision let you explore deeper fishing spots confidently. - • **Smart Auto Zoom & Bottom Tracking:** Automatically adjusts to water contours for real-time, detailed underwater mapping. - • **Ultra-Clear 3.5" Color LCD Display:** Sunlight-readable 18-bit TFT screen ensures you never miss a catch, even in bright daylight. - • **Multilingual Interface & Custom Alerts:** Navigate effortlessly with 13 language options and audible fish/depth alarms to stay ahead. - • **Pinpoint Fish Location with Dual Frequency:** 200KHz and 83KHz sonar beams deliver crystal-clear fish detection in any water type. ## Overview The JOYWEE FF688C is a professional-grade 3.5" color LCD fish finder featuring dual sonar frequencies (200KHz/83KHz) for precise fish and bottom contour detection up to 240ft deep. Designed for diverse environments—sea, river, lake—it offers advanced features like auto zoom, multi-language menus, and fish/depth alarms, making it an essential tool for both amateur and expert anglers seeking to elevate their fishing game. ## Description This amazing fish finder is specially designed for amateur and professional fishermen to find fish location, depth and bottom contour of water, perfect to be used in the sea, river, lake and fantastic for detecting schools of fish in any particular area,suitable for Ice Fishing, Kayak, Boat and Shore Fishing. Specifications:Material: PlasticDisplay: 3.5" TFT LCDResolution: V320 * H240Front Lighting: White LEDDepth Range: 0.6m-80m / 2ft-240ftSonar Frequency: 200/83KHz dual beamLanguage: English / Russian/ French / Japanese / Finnish / Polish / German / Italian / Spanish / Dutch / Korean / Swedish / Greek / DanishInput Power: DC 10-18VOperation Temperature: -20~+70°CItem Size: 16 * 10.2cm / 6.30 * 4.02inItem Weight: 388g / 13.69ozPackage Size: 18 * 11.7 * 17.2cm / 7.09 * 4.61 * 6.77inPackage Weight: 977g / 2.15lb Package List:1 * FishFinder1 * Transducer1 * Power Cable1 * User Manual English ## Features - This amazing fish finder is specially designed for amateur and professional fishermen to find fish location, depth and bottom contour of water, perfect to be used in the sea, river, lake and fantastic for detecting schools of fish in any particular area. - Display type: 3.5" 18bit TFT V320XH240 sunlight readable. Depth reading from 2 to 240ft (0.6-80m) in 1/10th precision. Bottom contour and water temperature indicator. 100 levels of sensitivity setting and multi-level depth range. - Auto zoom bottom tracking and quick manual zoom. "Stop chart" at any time. Multi-language menu settings (English / Russian/ French / Chinese / Japanese / Finnish / Polish / German / Italian / Spanish / Dutch / Korean / Swedish / Greek / Danish). Big/small fish identification and fish depth indicator. - User selectable feet or meter reading. User selectable sonar chart mode. Clear fish icon. Depth compensation. Audible fish and depth alarm, depth alarm 3-99ft. - 200KHz/83KHz duel beam sonar frequency. Anti-interference from the grass when used in lake. Display different bottom (grass, sand, rock) in the sea. 800 watts maximum output power; 100 watts RMS power. Battery strength indicator. Perfect for ocean, river, lake fishing, etc.. 800 watts maximum output power; 100 watts RMS power. Battery strength indicator.Attention: The buttons are not waterproof ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071XXZK7B | | Best Sellers Rank | #105,382 in Electronics ( See Top 100 in Electronics ) #401 in Fish Finders & Depth Finders | | Brand Name | Phiradar | | Customer Reviews | 4.1 4.1 out of 5 stars (353) | | Display | LCD | | Display Size | 3.5 inches | | Item Dimensions L x W x H | 6.3"L x 6.3"W x 6.3"H | | Item Weight | 2 pounds | | Manufacturer | Phiradar | | Manufacturer Part Number | FF688C | | Maximum Measuring Depth | 240 feet | | Model Name | FF688C | | Model Number | FF688C | | Mounting Type | Surface Mount | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | DC | | UPC | 611517025594 | | Unit Count | 1 Count | ## Product Details - **Brand:** Phiradar - **Display Type:** LCD - **Model Name:** FF688C - **Power Source:** DC - **Screen Size:** 3.5 inches ## Images ![JOYWEE FF688C 3.5" Phiradar Color LCD Boat Fish Finder 200KHz/83KHz Dual Sonar Frequency 80M 240ft Detection Muti-language Auto zoom - Image 1](https://m.media-amazon.com/images/I/611RKvBr9PL.jpg) ## Questions & Answers **Q: What type of battery can I use??** A: 12v, boat battery **Q: Does this finder have gps** A: Hello, It does not have GPS, its only a sonar for fish finding and depth. **Q: se puede conectar a una bateria de 12v** A: I can read Spanish **Q: Is the screen water proof?** A: I’m sure it’s a resistant thing. Like most all fishfinders. Rain shouldn’t hurt it too bad but submersion would be an issue. ## Frequently Bought Together - JOYWEE FF688C 3.5" Phiradar Color LCD Boat Fish Finder 200KHz/83KHz Dual Sonar Frequency 80M 240ft Detection Muti-language Auto zoom - Botepon Navigation Lights - LED Bow Lights, Green & Red, Night Fishing, Deck, IP67 Waterproof for Pontoon, Dinghy, Kayak, Jon Boat, Yacht - Shangyuan Boat Light Extension Cable Wire Cord for 3528 5050 5630 Led Strip Light Single Color, 66ft 22awg 2pin Wires for Pontoon Boat Kayak Stern Anchor Mast Courtesy Navigation Bow Marine Lights --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/55391630-joywee-ff688c-3-5-phiradar-color-lcd-boat-fish-finder](https://www.desertcart.sg/products/55391630-joywee-ff688c-3-5-phiradar-color-lcd-boat-fish-finder) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-13*