This fish finder is designed for the liker in fishing. It can detect both fish location and fish size in both fresh and salt water, and can be used as a depth sounder.

Features:
Wireless fish finder with 540ft/180m operating range.
Display: 2.5inch LCD with white LED back lighting.
Sonar Coverage: 90 degrees beam angle.
Visual display: water depth, water temperature, fish location, bottom contour and so on.
Fish alarm, depth alarm functions.

Specification:
Brand: Lucky
Model: FF718Li-W

-Fish Finder:
Display: 2.5 inch 4-level grey FSTN LCD 128V×128H
Backlight: On / Off / White LED
Language Options: English / Russian / Deutsch / Hungarian
Detecting Range: 0.6-40m / 2-120ft
Operational Temperature: -14-122°F (-10-50°C)
Power: 1 * 3.7V rechargeable Li-battery (Included)
Size: 12.5 * 7cm / 4.9 * 2.8in

-Sensor
Beam Angle: 90°
Depth Range: 45m / 145ft
Operating Frequency: 125 KHz
Operating Range: 180m / 590ft
Wireless Frequency: 433.92MHz
Power Requirement: 1 * CR2032 (Included)
Size: 7.9 * 5.4 / 3.1 * 2.1in

Package Size: 15 * 10 * 8.3cm / 5.9 * 3.9 * 3.3in
Package Weight: 373g / 13.18oz

Package List:
1 * Fish Finder
1 * Wireless Sonar Sensor
1 * Charger
1 * Vehicle Charger
1 * Charging Cable
1 * Neck Strap
1 * Manual