Introduction
Welcome to the exciting world of high-speed remote control boating with your new DEERC RC Shark Boat DE 2104 SHARK. This manual provides essential information for the safe operation, setup, maintenance, and troubleshooting of your RC boat. Please read it thoroughly before your first use to ensure optimal performance and longevity of your product.
The DEERC RC Shark Boat is a high-performance brushless racing boat featuring a realistic shark design, capable of speeds over 30+ mph (48+ km/h). It is equipped with a powerful KV2850 brushless motor, triple-layer waterproof protection, a self-righting hull, and a water circulation cooling system for thrilling aquatic adventures.
Safety Information
WARNING: Not suitable for children under 36 months due to small parts. Recommended for ages 6 and up.
- Always operate the RC boat in open water, away from people, swimmers, and animals.
- Avoid operating near power lines, trees, or other obstacles.
- Ensure the battery is fully charged before each use.
- Never leave charging batteries unattended.
- Do not operate the boat in saltwater, as it can damage internal components.
- Always remove the battery from the boat and controller when not in use.
- Keep hands and loose clothing away from the propeller when the boat is powered on.
- Do not attempt to modify the boat or its components, as this may void the warranty and create safety hazards.
Package Contents
Please check the package contents to ensure all items are present:
- DEERC RC Shark Boat DE 2104 SHARK
- 2.4 GHz Remote Controller
- 3S 11.1V 2000mAh Lithium Battery
- USB Charging Cable
- Spare Propeller
- Boat Stand
- Instruction Manual (this document)
- Small Tools (e.g., wrench, screwdriver)

Specifications
| Feature | Detail |
|---|---|
| Model | DE 2104 SHARK |
| Brand | DEERC |
| Type | RC Racing Boat |
| Material | Plastic |
| Motor | KV2850 Brushless Motor (31,635 RPM) |
| Max Speed | 30+ mph (48+ km/h) |
| Battery | 3S 11.1V, 2000mAh Lithium Battery |
| Control Frequency | 2.4 GHz |
| Control Distance | Up to 394 ft (approx. 120 meters) |
| Waterproofing | Triple Hatch Waterproof Protection |
| Special Features | Self-Righting Design, Water Cooling System, Low Battery Alarm, Over-Distance Alarm, Flashing LED Lights, Stepless Speed Adjustment, Full Proportional Throttle Control, High-Torque Servo, Sturdy Metal Drive Shaft |
| Boat Length | 16.3 inches (approx. 41.4 cm) |
| Package Dimensions | 44 cm (L) x 16 cm (W) x 22 cm (H) |
| Package Weight | 1.3 kg |
| Recommended Age | 6+ Years |

Setup
1. Charging the Battery
- Connect the 3S 11.1V 2000mAh Lithium Battery to the USB charging cable.
- Plug the USB charging cable into a suitable USB power adapter (not included).
- The indicator light on the charger will show the charging status (refer to charger instructions for specific light patterns).
- Once fully charged, disconnect the battery from the charger.
2. Installing the Boat Battery
- Carefully open the triple-hatch waterproof cover on the top of the boat. This typically involves unlatching and lifting the exterior cover, then the battery cover, to access the interior compartment.
- Insert the fully charged 3S 11.1V 2000mAh Lithium Battery into the battery compartment.
- Connect the battery connector to the boat's power connector.
- Ensure all wires are tucked away neatly to avoid interference with the covers.
- Securely close all three waterproof hatches, ensuring a tight seal to prevent water ingress.

3. Installing Controller Batteries
- Open the battery compartment on the back of the 2.4 GHz remote controller.
- Insert the required batteries (usually AA, not included) according to the polarity markings.
- Close the battery compartment securely.
Operating Instructions
1. Pairing the Boat and Controller
- Place the boat in water. The boat's propeller will not activate out of water for safety.
- Turn on the remote controller.
- The boat and controller should automatically pair. If not, turn both off and on again.
2. Basic Controls
- Throttle Trigger: Pull to accelerate forward, push to reverse. The boat features full proportional throttle control for precise speed management and stepless speed adjustment.
- Steering Wheel: Turn left or right to steer the boat.
3. Advanced Features
- Self-Righting Function: If the boat capsizes, use the remote control to automatically flip it back upright. This feature ensures continuous play without needing to retrieve the boat manually.
- "O" Shaped Demo Mode: Press the designated button on the remote to activate an automatic "O" shaped demonstration, showcasing the boat's maneuverability.
- LED Lights: The boat is equipped with flashing LED lights in the shark-like eyes and tail, enhancing visibility and adding to the visual appeal, especially in low light conditions.
- Water Cooling System: The integrated water circulation cooling system helps maintain optimal motor temperature during high-speed operation, ensuring consistent performance and extending motor life.
- Low Battery & Over-Distance Alarms: The controller will alert you when the boat's battery is low or when it's approaching the maximum control range (394 ft), allowing you to safely return the boat.



Maintenance
1. After Each Use
- Remove the battery from the boat and controller.
- Drain any water from the boat's hull.
- Wipe down the boat and propeller with a soft, dry cloth.
- Inspect the propeller for any debris (e.g., weeds, fishing line) and remove it carefully.
- Ensure all waterproof seals are clean and free of debris.
2. Battery Care
- Store batteries in a cool, dry place, away from direct sunlight and extreme temperatures.
- Do not overcharge or over-discharge Lithium batteries.
- If storing for an extended period, charge the battery to approximately 50% capacity.
3. Storage
- Store the boat on its included stand in a dry, cool place.
- Keep the boat and controller away from dust and moisture.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Boat does not respond to controller | Low battery in boat or controller; Not paired; Boat not in water | Charge/replace batteries; Re-pair boat and controller; Place boat in water for propeller activation |
| Reduced speed or power | Low boat battery; Propeller obstructed; Motor overheating | Charge boat battery; Check and clear propeller; Allow motor to cool down |
| Water inside the boat | Hatch covers not properly sealed | Ensure all triple hatch covers are securely closed and latched before use. Dry out the interior thoroughly. |
| Boat flips and doesn't self-right | Low boat battery; Feature not activated | Charge boat battery; Ensure self-righting button is pressed or maneuvered correctly. |
| Poor control range | Interference; Controller battery low; Exceeding range | Move to an area with less interference; Replace controller batteries; Stay within the 394 ft control range. |
User Tips
- Know Your Dimensions: The DEERC RC Shark Boat measures 16.3 inches (approx. 41.4 cm) in length. This is a substantial size for an RC boat, so ensure your chosen operating area (pool, lake) is large enough for optimal enjoyment and maneuverability.
- Pre-Check Water: Before launching, always check the water for any debris, weeds, or obstacles that could entangle the propeller or damage the boat.
- Practice Makes Perfect: Take some time in calm waters to get a feel for the boat's speed and steering before attempting high-speed maneuvers or using advanced features.
- Battery Management: Pay attention to the low battery alarm. It's always better to bring the boat back to shore with some charge remaining than to have it stranded in the middle of the water.
Warranty and Support
Your DEERC RC Shark Boat DE 2104 SHARK is covered by a manufacturer's warranty against defects in materials and workmanship. For specific warranty details, duration, and terms, please refer to the warranty card included in your package or contact DEERC customer support directly.
If you encounter any issues or have questions not covered in this manual, please contact DEERC customer support for assistance. Please have your product model number (DE 2104 SHARK) and purchase information ready when contacting support.





