1. Introduction
This manual provides detailed instructions for the safe and effective operation, maintenance, and troubleshooting of your Tecnock S8908A Remote Control Stunt Car. Please read this manual thoroughly before use and retain it for future reference.
The Tecnock S8908A is a versatile 2.4GHz 4WD RC stunt car featuring gesture sensing control, 360° rotation, double-sided driving capabilities, and integrated LED lights. It is designed for use on various terrains, including sand, grass, dirt, and rocks.
2. Package Contents
Verify that all items listed below are included in your package:
- Tecnock S8908A RC Stunt Car
- 2.4GHz Remote Control
- Gesture Sensing Watch Controller
- Rechargeable Lithium Ion Batteries (Quantity: 3)
- USB Charging Cable
- Screwdriver
- User Manual (this document)

Image: Contents of the Tecnock S8908A package, showing the RC car, remote control, gesture watch, batteries, USB charging cable, and a screwdriver.
3. Safety Information
- Age Recommendation: Suitable for users aged 6 years and older. Adult supervision is recommended for younger children.
- Battery Safety:
- Do not mix old and new batteries.
- Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries.
- Always insert batteries with correct polarity (+ and -).
- Remove batteries from the car and controllers when not in use for extended periods.
- Rechargeable batteries must be charged under adult supervision.
- Do not attempt to recharge non-rechargeable batteries.
- Do not short-circuit the battery terminals.
- Dispose of used batteries responsibly according to local regulations.
- Operating Environment:
- Operate the car in open areas, away from people, pets, and obstacles.
- Avoid operating near water, heat sources, or electrical outlets.
- Do not operate in heavy rain or extreme weather conditions.
- General Precautions:
- Do not touch the moving parts of the car during operation.
- Keep hair, loose clothing, and fingers away from wheels and gears.
- Do not modify the product. Unauthorized modifications may impair safety and void the warranty.
4. Setup
4.1 Battery Installation
RC Stunt Car Battery:
- Using the provided screwdriver, open the battery compartment cover located on the underside of the car.
- Connect one of the rechargeable Lithium Ion batteries to the car's battery connector, ensuring correct polarity.
- Place the battery inside the compartment and close the cover securely with the screw.
Remote Control Batteries:
- Open the battery compartment on the back of the remote control.
- Insert 2x AA batteries (not included) according to the polarity markings.
- Close the battery compartment cover.
Gesture Sensing Watch Battery:
- The gesture sensing watch typically uses a built-in rechargeable battery. Refer to the charging instructions below.
4.2 Charging the Batteries
The RC car and gesture watch batteries are rechargeable. Use the included USB charging cable.
- Connect the USB charging cable to a USB power source (e.g., computer USB port, USB wall adapter).
- Connect the other end of the charging cable to the battery (for the car battery) or the charging port on the gesture watch.
- The charging indicator light on the cable or device will illuminate during charging and typically turn off or change color when fully charged.
- Charging time is approximately 60-90 minutes for a full charge. Do not overcharge.
4.3 Pairing the Controllers
- Ensure the RC car battery is installed and fully charged. Turn on the car's power switch.
- Turn on the 2.4GHz remote control or the gesture sensing watch.
- The car and controller will automatically pair. The indicator light on the car or controller may flash during pairing and become solid once connected.
- If pairing fails, turn off both the car and controller, then repeat the steps.
5. Operating Instructions
5.1 Remote Control Functions
The 2.4GHz remote control allows precise command over the RC stunt car.
- Left Joystick: Controls forward and backward movement.
- Right Joystick: Controls left and right steering.
- Stunt Button: Activates 360° rotation or other pre-programmed stunts.
- Mode Switch Button: Toggles between on-road and off-road driving modes (car body transformation).

Image: Overview of the car's capabilities, including 360° rotation, double-sided driving, and gesture sensing.
5.2 Gesture Control Functions
Wear the gesture sensing watch on your hand to control the car's movements through hand gestures.
- Forward/Backward: Tilt your hand forward or backward.
- Left/Right: Tilt your hand left or right.
- 360° Rotation: Perform a specific hand gesture (refer to the quick start guide for exact gesture, typically a circular motion).
- Mode Transformation: A specific hand gesture can trigger the car's body transformation between on-road and off-road modes.
5.3 Driving Modes and Stunts
The Tecnock S8908A offers versatile driving experiences:
- On-Road Mode: The car maintains a lower profile for speed and stability on flat surfaces.
- Off-Road Mode: The car's chassis elevates, and wheels adjust for improved clearance and traction on uneven terrain.
- Double-Sided Driving: The car can continue driving even after flipping over, ensuring continuous play.
- 360° Rotation: Execute impressive spins and drifts with dedicated controls.
- LED Lights: The wheels feature integrated LED lights for enhanced visual effects, especially in low-light conditions.

Image: The car's ability to switch between on-road and off-road configurations.

Image: The car's cool lighting effects and 360° rotation capability.
6. Maintenance
- Cleaning: Wipe the car and controllers with a soft, dry cloth. Do not use water or chemical cleaners.
- Battery Care:
- Always fully charge batteries before storage.
- If not used for a long period, charge the batteries every 3 months to maintain their lifespan.
- Remove batteries from devices if storing for extended periods.
- Storage: Store the car and accessories in a cool, dry place, away from direct sunlight and extreme temperatures.
- Inspection: Regularly inspect the car for any loose parts, damaged wheels, or worn components. Tighten screws as needed.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to controller. |
|
|
| Short play time. |
|
|
| Car moves slowly or inconsistently. |
|
|
| Gesture control is unresponsive. |
|
|
8. Specifications
- Model: S8908A
- Brand: Tecnock
- Control Frequency: 2.4GHz
- Drive System: 4-Wheel Drive (4WD)
- Control Methods: Remote Control, Gesture Sensing Watch
- Battery Type (Car/Watch): Lithium Ion (500mAh, 3 included for car)
- Battery Type (Remote): AA (not included)
- Approximate Playtime: 45+ minutes (with multiple batteries)
- Charging Time: 60-90 minutes
- Product Dimensions: 8.27 x 5.31 x 2.28 inches
- Item Weight: 1.58 pounds
- Recommended Age: 6 - 10 years

Image: Key structural and mechanical features of the RC stunt car.
9. Warranty and Support
Tecnock products are designed for quality and performance. For warranty information, technical support, or replacement parts, please contact Tecnock customer service through the retailer where the product was purchased or visit the official Tecnock website.
Please retain your proof of purchase for warranty claims.
Online Support: Visit the Tecnock Store on Amazon





