Lucky FF916 Sonar Wireless WIFI Fish Finder 70M Echo Sounder Detect Finder fishing for Lake Sea Fishing IOS& Android

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Product Details
Item Specifics
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Product Details

1) Compatible with Android/IOS system
2) Depth capacity:135feet(45m)
3) Transducer frequency:125KHz
4) Transducer coverage:90 degrees
5) WIFI operating range:70M
6) WIFI frequency:2.4GHz
7) Power:3.7V rechargeable lithium battery
8) Charger:5V,1A
9) Charging indicator:red light
10) Working indicator:blue light
11) Working hours:5 hours fully charging

More stable transmission longer connection range.

Wifi range extender can help the fish finder receipt more far distance fish,which it connect with the portable power bank.

Wireless operating range is 70M

Wifi fish finder with the wifi range extender operation range is 200M.


Fishfinder sends wifi signal by itself,without using cellphone traffic or worrying no wifi outdoor
serarch wifi name “fish finder”,and enter password “12345678”to connect

Wifi fishfinder tells you different sound alert

Makes it possible to define the size of fish roughly without watching the display


Makes it easy to see and convenient to operate


Convient for use:
one hand with the display, the other hand with the fishing rod
Fishing is not like gaming why not operate two hands?

Product Parameters

1. Water depth
2. Water temperature
3. Upper zoom range
4. Middle Fish icon with depth
5. Large Fish icon with depth
6. Water bottom contour
7.Lower zoom range
8. Battery strength indicator
9. Wireless signal
10. Small Fish icon with depth

Fishfinder sends wifi signal by itself,without using cellphone traffic or worrying no wifi outdoor.

1.Tie your fish reel line to the front hole in the Wifi transducer and cast it into the water, then you can open your app and enter the operation mode, the water depth, water temperature, bottom contour and fish information can be constantly obtained from WIFI transducer.

2.Selectable sensitivity, zoom, units, depth range, shallow alarm, fish icon fish alarm, chart speed setting.


1.Default power adapter is European. For UK or USA, please contact customer service.

2.The packaging of overseas product in US,Germany,France and Spain does not include car charger and USB adapter.

3.Use fish finder in smooth and hard place (like water tank, swimming pool, water bucket, or fish pond) will cause repeatedly sonar reception, or the the detection can be inaccurate.
Please test in outdoor deep water.

4. WIFI range extender is not included.

Please download “WIFI Fish Finder” app in Google Play or APP Store. Kindly remind the app is not “LuckyFishFinder” or “wififishfinder2”.

Before using FF916

1.Make sure luckylaker Start is fully charged

2.Turn Off Mobile Data on your smartphone

3.On iOS device turn Off 'Wi-Fi Assist''

4.On Android device turn Off either Smart Network Switch / Auto Network switch / Wi-Fi+

5.Make sure to keep “WIFI Fish Finder” APP up to date

6.If wireless sensor/wifi fish finder is not put into water, it will switch to resting state automatically and sonar stops work. Only after put into water, it will work.

Item Specifics
Brand Name:
Power Source:
DC 10V-18V
Sonar Frequency:
Wireless: 125Khz
Detecting Range:
0.6-73 Meter
Sonar Coverage:
90 degrees
Power Input:
DC 10-18V
Depth Capability:
135 feet( 45 m)
Sonar Coverage:
90 degrees
Sonar frequency:
WIFI operating range:
WIFI frequency:
3.7V rechargeable lithium battery
Charging indicator:
red light
Working indicator:
blue light
Working hours:
5 hours fully charging
Manual Approved Language:
Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Your Blog Title (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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