This Wi-Fi fish finder can be used in ocean, river or lake and it is fantastic for detecting fish in any fresh water or salt water. The Wi-Fi transducer sends a sound wave signal, the returned "echoes" are transmitted with Wi-Fi technology to your smart devices like cell phone, then all the underwater information will be displayed on the screen, including water depth, water temperature, bottom contour, fish location and depth.

Features:
Wireless Wi-Fi Fish Finder with Wi-Fi range up to 50M, supports all kinds of smart devices.
Can be used as a fish finder and a depth sounder.
Working depth up to 45m underwater.
Built-in water temperature sensor.
Audible fish and depth alarm.
With simulation mode.
Come with wireless signal amplifier, enhance the wireless signal and increase the Wi-Fi operation range, more chance to detect the fish.
With 90-degree beam angle, accurately detects the fish locations and depth in both fresh and salt water.
125KHz sonar reception, anti-interference, convenient to receive and transmit signal.
Detects and displays big and small fish or groups of big and small fish.
Automatically distinguish fish sizes, display water depth, temperature and underwater outlook.
Powered by built-in rechargeable lithium battery.
Designed for amateur & professionals.
Can be used in ocean, river or lake.

Specifications:     
Sonar Frequency: 125KHZ
Sonar Coverage: 90°
Depth Capability: 0.6~45m (2~130ft)
Power: 3.7V recahargeable lithuim battery
Running Time: 5 hours if fully charged
Charger: 5V, 500mA
Wi-Fi Range: 50m
Wi-Fi Frequency: 2.4GHz
Charging Indicator: Red light
Working Indicator: Blue light
Product Weight: 80.4g /2.83in
Package Weight: 364g / 12.84lb
Product Size: 6.5 * 6.7cm / 2.56 * 2.64 (D * H)
Package Size: 20.5 * 15.5 * 8cm / 8.07 * 6.10 * 3.15in

Package List:
1 * Wi-Fi Fish Finder
1 * Wireless Signal Amplifier
1 * USB AC Adapter
1 * USB Cable
2 * Replacement Cap
1 * Micro Auto Charger
1 * Carry Pouch