1. Introduction
Thank you for purchasing the SOWOFA H100/H112 Remote Control Racing Boat. This high-speed watercraft is designed for thrilling aquatic adventures. This manual provides essential information for safe operation, setup, maintenance, and troubleshooting to ensure you get the most out of your RC boat.
The H100 and H112 models share many core features, with the H112 offering additional functionalities for an enhanced user experience.
2. Important Safety Warnings
- Age Restriction: Not suitable for children under 36 months due to small parts. Recommended age is 3-12Y, 14+y.
- Battery Safety: The first time you play, the battery should be fully charged. Use only the provided USB charging cable.
- Water Use: Operate the boat only in suitable bodies of water, away from swimmers or obstacles.
- Supervision: Adult supervision is recommended, especially for younger users.
- Electrical Components: Keep all electrical components dry. Ensure the boat's internal compartment is sealed before placing it in water.
- Disassembly: Do not attempt to disassemble or modify the boat or remote control, as this may void the warranty and cause malfunction.
3. Package Contents
Please check the package to ensure all items are present:
- 1x RC Boat (H100 or H112 model)
- 1x Remote Controller (some versions include an LCD screen for battery level display)
- 1x Hull Battery (7.4V/600MAH for H100, 7.4V/1500MAH for H101)
- 1x USB Charging Cable
- 1x Hex Wrench
- 1x Boat Frame (stand)
- 1x Spare Propeller
- 1x Instruction Manual
- Lubricants Tools (for maintenance)

Image: Included items: RC Boat, Remote Control, Rechargeable Battery.

Image: Included items: USB Charger, Spare Parts, Lubricants Tools.
4. Specifications
| Feature | H100 Model | H101 Model (Larger Version) |
|---|---|---|
| Brand Name | SOWOFA | |
| Type | Boat & Ship (Speedboat) | |
| Model Number | H100 | H101 |
| Dimensions | 35.2 x 9.2 x 9 cm (13.8 x 3.6 x 3 inches) | 45 x 11.5 x 11.5 cm (17.7 x 4.5 x 4.5 inches) |
| Max Speed | 25-30 KM/H | 30-35 KM/H |
| Control Channels | 4 Channels (Forward, Backward, Left Turn, Right Turn) | |
| Remote Distance | 100-150 Meters | |
| Flight/Play Time | 6-10 minutes (typically 8 minutes) | 7 minutes |
| Charging Time | 100-120 Mins | 240 Mins |
| Power Source | Electric (Lithium Battery) | |
| Charging Voltage | 220V (via USB charger) | |
| Frequency | 2.4G | |
| Controller Mode | MODE1, MODE2 (Switchable) | |
| State of Assembly | Ready-to-Go | |
| Material | Plastic, Resin, Metal | |
| Certification | CE | |

Image: Comparison of H100 (blue) and H101 (red) models, showing dimensions and speed.
5. Setup Guide
5.1 Charging the Boat Battery
- Connect the hull battery to the provided USB charging cable.
- Plug the USB charging cable into a 220V compatible USB power adapter (not included) or a computer USB port.
- The charging indicator on the USB cable will show the charging status.
- Charge the H100 battery for approximately 100-120 minutes. Charge the H101 battery for approximately 240 minutes.
- Ensure the battery is fully charged before first use.
5.2 Installing Batteries in the Remote Control
- Open the battery compartment on the back of the remote control.
- Insert 4 'AA' batteries (not included) into the compartment, ensuring correct polarity.
- Close the battery compartment securely.
5.3 Installing the Boat Battery
- Carefully open the top cover of the RC boat.
- Connect the fully charged hull battery to the boat's power connector.
- Place the battery securely within the compartment.
- Ensure all wires are tucked away and the cover is sealed tightly to prevent water ingress.

Image: Internal view of the RC boat, showing the battery and high-speed motor with water cooling system.
6. Operating Instructions
6.1 Powering On and Pairing
- Place the boat in water. The boat's power system will only activate when in contact with water.
- Turn on the remote control.
- The remote control and boat should automatically pair. If not, refer to the specific instructions in the included manual for pairing procedures.
6.2 Basic Controls
The remote control features 4 channels for comprehensive movement:
- Forward: Push the throttle joystick forward.
- Backward: Pull the throttle joystick backward.
- Left Turn: Push the steering joystick left.
- Right Turn: Push the steering joystick right.

Image: Remote control with LCD screen displaying boat power and settings.

Image: Diagram illustrating the left and right joystick switch functionality on the remote control.
6.3 Controller Mode Switching (MODE1/MODE2)
The remote control supports switching between MODE1 and MODE2, allowing you to set the joystick configuration according to personal habits. To switch modes:
- Power on the remote control (default is left-hand mode).
- Press the left/right trimmer key and the power switch at the same time.
- Release the left/right trimmer key to successfully switch to the right-hand mode after hearing a "drip" sound.
- To restore the left-hand mode, simply restart the remote control.
6.4 Special Functions
- Auto Capsize (180-degree flip): If the boat flips over, use the remote control to activate the auto capsize function, allowing it to right itself.
- H112 Specific Features:
- Over-distance Warning: If the boat exceeds the remote control distance (approx. 150 meters), the remote control will emit a
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- Over-distance Warning: If the boat exceeds the remote control distance (approx. 150 meters), the remote control will emit a