1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your THE STYLE SUTRA HH678K-2.4G Remote Controller Receiver. This receiver is designed for specific battery-powered electric ride-on toys, including kids' cars and three-wheeled motorcycles. Please read these instructions carefully before installation and use to ensure safe and optimal performance.
2. Product Overview
The HH678K-2.4G is a replacement remote controller receiver for children's electric ride-on vehicles. It is constructed from durable ABS material, ensuring longevity and reliable performance. This component is crucial for the remote control functionality of compatible ride-on toys.
Key Features:
- Model: HH678K-2.4G electric remote controller receiver.
- Dimensions: Approximately 9cm x 8cm (3.54inch x 3.15inch).
- Material: High-quality ABS for strength and durability.
- Application: Suitable for specific children's riding toys and three-wheeled motorcycle motherboard circuit boards.
- Replacement Part: Ideal for replacing old or broken receivers.
Product Images:

Image 2.1: Top-down view of the HH678K-2.4G remote controller receiver, showing its compact black casing and connection ports.

Image 2.2: Close-up view of the connection ports on the HH678K-2.4G receiver, highlighting the wiring interface and control board.

Image 2.3: Front and back view of the HH678K-2.4G receiver, showing the model number, voltage (DC12V), and maximum current (20A) on the label. A QR code is also visible, linking to http://api.e-toys.cn/page/app/76.
3. Specifications
| Specification | Value |
|---|---|
| Model Number | HH678K-2.4G (TSS61053476) |
| Material Type | Acrylonitrile Butadiene Styrene (ABS) |
| Dimensions (Receiver) | 9cm x 8cm (3.54inch x 3.15inch) |
| Voltage | DC 12V |
| Maximum Current (I(MAX)) | 20A |
| Weight | Approximately 120 Grams |
| Included Components | 1 Remote Controller Receiver |
| Recommended Age | 10 years and up (for installation/handling) |
4. Setup and Installation
Important: Before attempting installation, ensure the ride-on toy's power is completely disconnected. If you are unsure about any steps, consult a qualified technician or the ride-on toy's original manual.
- Compatibility Check: Verify that the HH678K-2.4G receiver is compatible with your specific ride-on toy model. Compare the appearance and model number with your previous part.
- Locate Existing Receiver: Identify the location of the old receiver or the designated mounting area for the new receiver within the ride-on toy.
- Disconnect Old Receiver (if applicable): Carefully disconnect all wiring from the old receiver, noting the position and color of each wire for correct re-connection.
- Install New Receiver: Mount the HH678K-2.4G receiver securely in the designated area.
- Connect Wiring: Connect the wiring to the new receiver. Refer to the wiring diagram provided with your ride-on toy or the markings on the receiver itself (as shown in Image 2.2). Ensure all connections are firm and correct.
- Secure Connections: Double-check all connections to prevent accidental disconnections during operation.

Image 4.1: Angled view of the HH678K-2.4G receiver, illustrating the various connection points for wiring. Ensure correct polarity and secure connections.
5. Operating Instructions
Once the HH678K-2.4G receiver is correctly installed, it will enable remote control functionality for your compatible electric ride-on toy. The specific pairing and operation steps for the remote control unit will depend on the remote control model itself and the ride-on toy's system.
- Power On: Turn on the main power switch of the electric ride-on toy.
- Remote Pairing: Refer to your specific remote control's instruction manual for pairing procedures. Typically, this involves holding a pairing button on the remote while the toy is powered on, or a sequence of button presses.
- Functionality Test: After successful pairing, test all remote control functions (forward, reverse, steering, speed settings, etc.) in a safe, open area before allowing a child to use the toy.
6. Maintenance
Proper maintenance ensures the longevity and reliable operation of your receiver.
- Cleaning: Keep the receiver free from dust and debris. Use a soft, dry cloth to gently wipe the exterior. Avoid using liquids or harsh chemicals.
- Storage: If the ride-on toy is stored for an extended period, ensure it is in a dry, cool place, away from direct sunlight and extreme temperatures.
- Inspection: Periodically inspect the wiring connections to ensure they remain secure and free from corrosion or damage.
7. Troubleshooting
If you encounter issues with your HH678K-2.4G receiver, refer to the following common troubleshooting steps:
- No Response from Remote:
- Ensure the ride-on toy's power is powered on.
- Check the batteries in the remote control and replace if necessary.
- Attempt to re-pair the remote control with the receiver according to the remote's instructions.
- Verify all wiring connections to the receiver are secure.
- Intermittent Control:
- Check for any obstructions or strong interference sources (e.g., other 2.4GHz devices) in the operating environment.
- Ensure the remote control is within the effective operating range.
- Inspect wiring for loose connections or damage.
- Receiver Not Powering On:
- Confirm the ride-on toy's main power supply is functioning correctly.
- Check the power input wiring to the receiver for correct connection and voltage.
- If the issue persists after checking all connections and power sources, the receiver may be faulty and require replacement.
For further assistance, please contact customer support.
8. Warranty and Support
This product is manufactured by MUKTESHWARPURI DEKOR under the brand THE STYLE SUTRA. While specific warranty details are not provided in this manual, standard consumer warranty terms typically apply. Please retain your proof of purchase for any warranty claims.
Customer Support:
For technical assistance, troubleshooting, or warranty inquiries, please contact the manufacturer:
- Manufacturer: MUKTESHWARPURI DEKOR
- Customer Care: +91-7291860676
- Email: mukteshwarpuri3rd@gmail.com