FF688C Features:
Display type: 3.5" 18bit TFT V320 * H240 sunlight readable.
Depth reading from 0 to 240ft (0 - 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.

Specifications:
Material: Plastic
Display: 3.5" TFT LCD
Resolution: V320 * H240
Front Lighting: White LED
Depth Range: 0 - 80m / 0 - 240ft
Sonar Frequency: 200/83KHz dual beam
Language: English / Russian/ French / Japanese / Finnish / Polish / German / Italian / Spanish / Dutch / Korean / Swedish / Greek / Danish
Input Power: DC 10-18V
Operation Temperature: -20~+70°C
Item Size: 16 * 10.2cm / 6.30 * 4.02in
Item Weight: 388g / 13.69oz
Package Size: 18 * 11.7 * 17.2cm / 7.09 * 4.61 * 6.77in
Package Weight: 977g / 2.15lb

Package List:
1 * Fish Finder
1 * Transducer
1 * Power Cable
1 * User Manual (English)


F918-C180S Features:
Water depth, water temperature, fish location, bottom contou r can be constantly obtained from the fish finder.
Adjustable sensitivity for clear water and turbid water.

Depth range, shallow alarm, fish alarm, and chart speed setting. 
Supports 180m depth detection with 45° beam angle in 200Khz.
High-contrast LCD and phone-like menus give you more time to spend fishing and less time dealing with settings.
The transducer can be mounted by sucker or bracket with screws provided.

Specifications:
Material: ABS
Wired Transducer Depth Capability: 180 m / 590.6 ft
Wired Transducer Cable Length: 8m
Wired Transducer Sonar Coverage: 45 degrees beam angle in 200Khz
Fish Finder Power Requirement: 11 to 13V DC (not included)
Fish Finder Size: 13.8 * 13.4 cm / 5.4 * 5.3 in
Fish Finder Screen Size: 8.6 * 6.2 cm / 3.4 * 2.4 in
Operational Temperature: 14°F to 122°F (-10°C-50°C)
Package Size: 16 * 15.5 * 15 cm / 6.3 * 6.1 * 5.9 in
Package Weight: 1096 g / 2.4 lb

Packing List:
1 * Fish Finder
1 * Fish Finder Power Cable
1 * Wired Transducer (with cable)
1 * Wired Transducer Sucker
1 * Wired Transducer Bracket (with 2 screws)
1 * User Manual


Finder Holder Features:
Made of high quality nylon material, water-resistant and wear-resistant. 
360° rotation to obtain the better viewing position.
TPU ball mount provides a great clamping force, fix tightly and keep stable. 
Multiple holes provide great compatibility with different fish finders. 
High temperature and corrosion resistance, resistant to the harsh elements.
Easy to attach to your fish finder and other marine accessories.
Replacement for Garmin GPSMAP 162/168/175/180/180C/182/185/188/232.

Specifications:
Material: Nylon + TPU 
Color: Black 
Item Size: 16 * 6.7 * 5.5 cm / 6.3 * 2.6 * 2.2 in 
Item Weight:  367 g / 12.9 oz 

Package List:
1 * Fish Finder Holder 


Type 1 Wired Features:
Powered by rechargeable two 2000mAh lithium batteries.
2.4inch TFT color LCD, pixels: 240V * 960H.
Sensitivity, zoom, units, depth range, shallow alarm, language, brightness, fish icon, fish alarm and chart speed settings.
English / Russian two language options.
10-level sensitivity settings available, higher-degree sensitivity can help you get more accurate chances to detect the fish.
Built in memory stores sonar setting when the fish finder is turned off.
Screen contrast setting to ensure good display color in different environment or observation angle.
100m / 328ft depth capability.
Display underwater contour and water temperature.
With fish depth scale and audible fish alarm.
Small, medium, or big sized fish icon displays on the screen when fish is detected.
Simulation mode helps you to learn how to operate the unit before fishing.
Compact and lightweight design, easily fit in your pocket.

Specification:
-Host
Display: 2.4inch TFT color LCD, pixels: 240V x 960H
Display Contrast: 1-10 level
Backlight: White LED
Language: English / Russian
Power: 2 * 2000mAh rechargeable lithium battery (included)
Power Source: DC 10-18V
Weight: 148g / 5.22oz
Size: 135 * 70mm / 5.3 * 2.8in

-Transducer
Depth Range: 100m / 328ft
Sonar Coverage: 45° in 200 kHz
Cable Length: 8m / 26ft
Size: 47 * 37mm / 1.9 * 1.5in

Package Size: 15 *13 * 9.7cm / 5.8 * 5.1 * 3.8in
Package Weight: 613g / 1.35lb

Package List:
1 * Handheld Wireless Receiving Host
1 * Transducer with 26ft / 8M Wire
1 * USB Charging Cable
1 * USB AC Adapter Charger
1 * Vehicle Charger
1 * Neck Strap
1 * Manual