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Important note:
The boats are equipped with a gyroscopic sensor that helps maintain direction and stability on the water. For this reason, they do not function correctly on land. If you try to test them out of the water, the motors may appear to spin erratically, stall or fail to respond to commands.
This is not a fault – it is normal operation. On the water, the gyroscope receives the necessary feedback and the boat handles perfectly, ensuring a stable and controlled ride.
Bait boats are designed exclusively for use in calm waters, such as lakes, marshes or other bodies of water without strong currents.
Their use at sea is not recommended. Waves and wind can affect the boat’s stability, posing a risk of sinking and loss of connection with the remote control, which could result in the boat being lost. Contact with salt water may damage internal components and void the warranty.

MAXIMISING FISHING SUCCESS
The iUni V803 PRO boat is the ideal tool for both amateur and professional anglers who want to place their floats and rigs accurately, quickly and efficiently over long distances or in areas difficult to reach from the shore.
The boat is equipped with a high-performance sonar designed to give you a clear picture of the seabed and the presence of fish in the fishing area. When the sonar detects fish, the remote control will emit an audible signal to alert you immediately.
The built-in GPS positioning system adds a significant advantage in terms of accuracy and efficiency. It allows you to save up to 200 fishing spots, intelligently organised into 4 different zones. This way, the boat remembers your favourite spots and navigates to them at the touch of a button, then waits for your command to cast the line.
Equipped with a powerful 5200 mAh battery, it provides an operating time of around 2 hours.
With a maximum range of 500 metres, this boat provides access to remote fishing spots.
A top speed of 15 km/h and two powerful motors allow for fast and precise movement in the water.
BUILT-IN FISH FINDER
With this sonar, you will significantly increase your chances of catching fish by locating the areas with the highest fish activity.
The maximum scanning depth is up to 100 metres with a 90-degree scanning angle.
On the screen, you can see the location of the fish, their size, the depth at which they are swimming, the water temperature, the battery level, as well as the shape of the seabed and underwater vegetation.
It allows you to configure the fish alarm mode according to your preferences and fishing conditions. When the sonar detects the presence of fish beneath the boat, the remote control will emit an audible signal to alert you immediately, ensuring you don’t miss a single fishing opportunity.


PRECISE GPS + BEIDOU POSITIONING
The V803 PRO utilises two global satellite networks simultaneously: GPS and Beidou.
By combining the two networks, the boat connects to a much larger number of satellites. This reduces positioning error to a few centimetres, even in overgrown areas that might block the signal of a single system. If a GPS satellite loses its signal, the Beidou system automatically takes over, ensuring uninterrupted and safe navigation.
You can set up 4 fishing zones, and for each fishing zone you can set 50 waypoints (positioning points), totalling 200 fishing points. Waypoints between different fishing zones do not interfere with one another.
This feature is extremely useful for anglers who want to return to previous successful fishing spots or explore new areas with potential catches.
Once saved, you can send the boat to any of the 200 points at the touch of a button. The boat will set off on its own, reach its destination and wait for your command to drop the bait.
REMOTE CONTROL WITH ILLUMINATED KEYS
The boat is equipped with an advanced 2.4 GHz remote control, which ensures stable and interference-free communication.
It displays the boat’s direction, GPS signal, battery level (for both the boat and the remote), the fishing area, waypoints, light control and the bait release system, where the icon for each bait flashes on the screen to provide immediate visual confirmation that the bait has been released.
For night-time use, it features illuminated keys that can be activated by briefly pressing the power button.
The remote control has a built-in 3.7 V 2000 mAh battery, which can be recharged via a modern Type-C port.


RECHARGEABLE BATTERY - 5200 MAH
With a 5200 mAh rechargeable battery (included in the pack), the boat has a runtime of approximately 2 hours (runtime is affected by the weight of the lure and weather conditions).
The compartment allows for the simultaneous connection of two 5200mAh or 12000mAh batteries (not included in the set), which doubles the operating time. This ensures a longer and more effective fishing experience.
500 M SAFETY PERIMETER
This feature acts as a virtual safety perimeter between you and the boat.
The GPS system constantly monitors the distance between the shore (the starting point) and the boat. If you attempt to move the boat beyond a radius of 500 metres, the system will detect that you have exceeded the perimeter. This feature ensures that the boat will never leave your control zone, thereby avoiding situations where the boat gets stranded at sea without a signal.
When the boat reaches the maximum safe limit, it will automatically activate the auto-return function.


ONE-CLICK RETURN
No matter where it is in the water, the boat automatically returns to its starting point at the touch of a button (to use this feature, you must set the starting position beforehand). The boat is also equipped with a smart protection system and returns to its starting point on its own in three critical situations:
- Low battery: when the power drops below the safety level.
- Loss of signal: if the connection with the remote control is lost.
- Out of range: if the boat exceeds the maximum control distance.
BUILT-IN GYROSCOPE
The iUni V803 boat has a built-in gyroscope that automatically corrects steering deviations caused by wind, waves or uneven bait distribution.
This allows the boat to maintain a straight course even in difficult conditions.


4 INDEPENDENTLY CONTROLLED TANKS – MAX. CAPACITY 3KG
The four tanks have a combined capacity of 3 kg and can be controlled individually using the dedicated buttons on the remote control.
Briefly press the tank button to activate selection mode; by default, the front right tank is selected first. The selected tank lights up blue; press the OK button to release the bait. During the release, the hopper lights up red, returning to white once the command has been executed. The selection order follows the numerical sequence shown in the diagram.
The large 3 kg capacity allows you to carry a significant amount of bait, so you don’t have to reload too often.
This is a boat specifically designed to facilitate the process of placing and releasing bait in a precise and efficient manner.
AUTOMATIC CONSTANT-SPEED NAVIGATION
A revolutionary feature of this boat is the autopilot function.
You can activate the navigation system, which keeps the boat at a constant speed and in a straight line.


TWO POWERFUL ENGINES
Thanks to its two powerful 390 engines, the boat can reach speeds of up to 15 km/h.
The water-cooling system ensures effective cooling of the engines during high-speed operation, guaranteeing their durability.
Each propeller is surrounded by a large guard to protect against various debris or objects in the water that could obstruct the propellers.
2 SPEED SETTINGS
The boat is equipped with a versatile propulsion system that allows you to adapt the boat’s movement to your needs:
- Low speed: ideal for precise manoeuvring near the fishing spot.
- High speed: it can reach up to 250 m/min, ideal for quickly reaching fishing spots at long distances (up to 500 m) or for overtaking more easily when the wind is blowing and the water is rough.


CONTROL RANGE – MAXIMUM 500 METRES
By using two antennas, the boat ensures more stable signal transmission and strong anti-interference capability. This helps maintain a clear connection between the remote control and the boat.
The boat can be controlled from a maximum distance of 500 metres, allowing you to explore larger bodies of water without losing control.
INTELLIGENT LIGHTING
To enhance the night-fishing experience, the boat is equipped with 2 headlights at the front and 2 red/blue signal lights at the rear.
The smart rear lights give you full control even at long distances or at night:
- Direction indication: when you turn, the boat alerts you visually – the left brake light flashes red for a left turn, and the right one for a right turn. You know the boat’s exact direction at a glance!
- Low battery warning: both rear brake lights flash red to warn you that the battery level is critically low. This is a clear signal that you need to bring the boat ashore to recharge.
- No signal warning: if the boat is not connected to the remote control or the signal is lost, the lights flash alternately in red and blue.
The lights can operate in flashing or steady mode.


BATTERY LEVEL INDICATOR
There is a digital battery level display, so you are always informed of the remaining battery life.
When the boat’s battery is nearly depleted, you are warned in three ways:
- Boat indicator: a single red line remains on the boat’s display.
- Visual signal: the rear lights flash red intermittently.
- Audible signal: the remote control emits continuous beeps (alternating long and short beeps).
RIG ATTACHMENT FUNCTION
The two rear bait reservoirs allow you to attach the rig, releasing it together with the bait.
This is also useful for preventing the fishing line from becoming tangled.


- Colour: black
- Display: 2.8-inch LCD
- Backlight: LED
- Power supply: 3.7V rechargeable battery
- Battery life: approximately 10 hours
- Units of measurement: Imperial / Metric (feet/metres)
- Probe frequency: 125 kHz
- Communication range: up to 500 m
- Probe coverage angle: 90 degrees
- Maximum measurement depth: 100 metres
- Minimum measurement depth: 0.7 metres
- Operating temperature: between -10°C and 50°C
- Colour: carbon fibre
- Material: ABS plastic, electronic components
- Battery capacity: 7.4 V 5200 mAh
- Running time: approx. 2 hours
- Charging time: approx. 6 hours
- Remote control: 3.7 V 2000 mAh (Type-C for recharging)
- Frequency: 2.4 GHz
- 2 powerful 390 motors
- 4 bait hoppers – independently controlled – total capacity 3 kg max.
- Speed: up to 15 km/h – max. 250 m/min.
- GPS: stores up to 200 waypoints
- Control range: approx. up to 500 m
- Battery level indicator
- Dimensions: 55 x 26.8 x 20 cm
- Weight: 2733 g


- 1 x iUni V803 PRO boat with sonar
- 1 x boat remote control -
1 x sonar remote control -
2 x antennas
- 1 x 7.4V 5200mAh battery
- 1 x boat battery power
cable - 1 x
Type-C power cable for remote control - 1 x Type-C power cable for sonar remote control -
1 x 5V 1A charging adapter for sonar remote control
- 1 x 5V 1A car charger for sonar remote control
- 1 x spare propeller set
- 1 x protective cover for sonar
- 1 x remote control cable -
1 x sonar remote control cable -
1 x boat user manual -
1 x sonar user manual
Important note:
The boats are equipped with a gyroscopic sensor that helps maintain direction and stability in the water. For this reason, they do not function correctly on land. If you try to test them out of the water, the motors may appear to spin erratically, stall or fail to respond to commands.
This is not a fault – it is normal operation. On the water, the gyroscope receives the necessary feedback and the boat handles perfectly, ensuring a stable and controlled ride.
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Compliance information
Safety information:
Some accessories may pose a choking hazard to young children. Keep out of reach of children. Read the instructions and product information carefully.
Manufacturer information:
iUni brand product, manufactured in accordance with European safety and quality standards.
EU Responsible Person Information:
S.C. iUni Corporation S.R.L.