Introduction
This manual provides essential information for the safe and effective operation of your DEERC Fast Brushless RC Boat. Please read it thoroughly before first use to ensure optimal performance and longevity of your product. This high-speed brushless RC boat is designed for thrilling speeds over 30+ MPH, featuring a built-in water-cooling system and advanced control mechanisms for precise handling on water.

Image: The DEERC Fast Brushless RC Boat, white with blue and red accents, shown alongside its black remote controller.
Safety Information
WARNING: This product contains small parts and is not suitable for children under 8 years old as it may pose a choking hazard. Always operate the product under adult supervision, especially in areas with traffic or hazards.
- Ensure the boat is only powered on when in water. The water-sensing activation feature prevents accidental propeller rotation out of water.
- Do not operate the boat near swimmers, animals, or in areas with dense aquatic vegetation or debris.
- Always maintain a safe distance from the boat during operation.
- Regularly check the boat for any damage before and after each use.
- Keep batteries away from heat sources and direct sunlight. Do not overcharge or short-circuit batteries.
- In case of capsize, use the capsize recovery function. Do not attempt to retrieve the boat manually from deep or hazardous water.
Package Contents
Verify that all items listed below are included in your package:
- 1 x RC Boat
- 1 x 2.4GHz Remote Controller
- 1 x 11.1V 2000mAh Battery
- 1 x USB Charging Cable
- 1 x Nose Guard
- 1 x User Manual (this document)
- 1 x Hex Screwdriver
- 1 x Display Stand

Image: All components included in the DEERC RC Boat package, laid out neatly.
Setup Guide
- Charge the Battery: Connect the provided 11.1V 2000mAh Lithium Ion battery to the USB charging cable. Plug the USB cable into a compatible USB power source (e.g., computer USB port, USB wall adapter). The charging indicator will show the charging status. Ensure the battery is fully charged before first use.
- Install Boat Battery: Open the double-layer waterproof hatch on the top of the boat. Carefully insert the charged battery into the battery compartment, ensuring the connectors are properly aligned and secured. Close the hatch firmly to maintain the waterproof seal.
- Install Nose Guard: Attach the nose guard to the front of the boat as indicated in the diagrams. This helps protect the bow during operation.
- Prepare Remote Controller: Insert 4 x AA batteries (not included) into the remote controller.
- Pairing: Turn on the remote controller first, then place the boat in water. The boat will automatically power on and attempt to pair with the remote. A successful connection is indicated by a solid light on both the boat and the remote.
Operating Instructions
Your DEERC RC Boat is designed for optimal performance in pools, lakes, and freshwater environments. Avoid saltwater, as it can damage internal components.
- Water-Sensing Activation: The boat's motor will only activate when the boat is placed in water. This is a safety feature to prevent accidental propeller rotation.
- Controlling Speed and Direction: Use the throttle trigger on the remote controller to control forward and reverse movement. Use the steering wheel to control left and right turns. The full-ratio metal servo ensures precise and responsive steering.
- Capsize Recovery: If the boat capsizes, press the capsize recovery button on the remote controller. The boat will automatically flip itself upright. This feature ensures uninterrupted racing fun.
- Auto-Demo Function: Activate the auto-demo function on the remote to showcase the boat's automatic driving capabilities, including an 8-shape mode.
- LED Lights: The integrated LED lights enhance visibility and add style, especially during evening operation.
- Range and Alarms: The 2.4GHz remote control provides a range of up to 656 feet. The system includes low battery and over-distance alarms to alert you when the boat is nearing its operational limits.

Image: A sequence showing the DEERC RC Boat flipping itself upright after capsizing.

Image: An aerial view illustrating the DEERC RC Boat following an 8-shape pattern in Autopilot Mode.

Image: Icons representing the Smart Protection System, including Low Battery Alarm, High-Temp Protection, Over-Distance Alert, and Stuck Protection, with the remote controller and boat in the background.
Performance Features:
- Brushless Motor: Provides high speed (30+ MPH) and efficient power.
- Water Cooling System: Maintains optimal motor temperature for extended durability.
- Independent Smart ESC: Ensures smooth and stepless speed control.
- Triple-Layer Waterproofing: Protects internal components from water ingress.

Image: The DEERC RC Boat on water, highlighting its powerful brushless motor and robust metal servo, capable of 30+ MPH.
Maintenance
- After each use, remove the battery from the boat.
- Wipe down the boat's exterior with a soft, dry cloth. Ensure all water is removed from the interior compartments.
- Allow the boat to air dry completely before storage.
- Inspect the propeller and rudder for any debris or damage. Clean as necessary.
- Store the boat and remote in a cool, dry place away from direct sunlight.
- For long-term storage, partially charge the battery (around 50%) and store it separately from the boat.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Boat does not power on in water. | Battery not charged or improperly installed; water-sensing not activated. | Ensure battery is fully charged and correctly connected. Confirm boat is fully in water to activate water-sensing feature. |
| Boat not responding to remote. | Remote batteries low; boat and remote not paired; out of range. | Replace remote batteries. Re-pair boat and remote (turn on remote, then place boat in water). Bring boat closer to the remote. |
| Boat capsizes frequently. | Rough water conditions; high speed turns. | Operate in calmer waters. Reduce speed during sharp turns. Utilize the capsize recovery function. |
| Reduced speed or short run time. | Low boat battery; propeller fouled. | Recharge boat battery. Check propeller for debris and clear if necessary. |
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 4.33 x 4.4 x 16.34 inches |
| Item Weight | 2.2 pounds |
| Model Number | US-HJ818 |
| Recommended Age | 14 years and up |
| Battery Type | 1 Lithium Ion battery (included) |
| Max Speed | 30+ MPH |
| Control Frequency | 2.4GHz |
| Control Range | Up to 656 feet |
Official Product Videos
Currently, there are no official product videos from the seller available for embedding in this manual. Please refer to the product listing page for any available customer-uploaded videos.
Warranty and Support
For warranty information, technical support, or replacement parts, please contact DEERC customer service directly. Refer to the contact information provided on the product packaging or the official DEERC website.
Keep your purchase receipt as proof of purchase for warranty claims.





