1. Introduction
This manual provides comprehensive instructions for the safe and effective use of your DEERC RC Truck Model AU-DE121. Please read this manual thoroughly before operating the product and retain it for future reference. This remote control truck features 2.4GHz control, LED lights, music, and a spray function, designed for all-terrain use.

Image 1.1: The DEERC RC Truck Model AU-DE121, including the vehicle, remote controller, and two rechargeable batteries.
2. Safety Information
Adherence to the following safety guidelines is crucial for preventing injury and damage to the product.
- This product is intended for use by children ages 6 and up. Adult supervision is recommended during play.
- Do not place the product near open flames or high heat sources.
- Avoid direct contact with the face and eyes when using the spray function.
- Use only as intended and do not modify any parts of the product.
- Check for any loose or broken parts before each use to ensure safety.
- Keep away from naked flame or direct heat sources.
3. Package Contents
Verify that all items listed below are present in your package:
- 1 x RC Car (DEERC AU-DE121)
- 1 x Remote Controller
- 2 x Lithium Ion Batteries (for RC Car)
- 1 x USB Charging Cable
- 1 x Product Manual
- 1 x Absorption Bottle (for water refill)
- 1 x Small Phillips Head Screwdriver (for remote battery compartment)

Image 3.1: Visual representation of all items included in the DEERC RC Truck package.
4. Setup
4.1. Charging the RC Car Batteries
- Locate the battery compartment on the underside of the RC car.
- Slide the two levers to open the battery cover.
- Connect one of the included Lithium Ion batteries to the car's power cable.
- Carefully place the battery back into the compartment and close the cover securely.
- To charge the battery, remove it from the car. Connect the battery to the USB charging cable.
- Plug the USB charging cable into a standard USB power adapter (not included).
- The charging indicator light on the USB cable will illuminate during charging and turn off when fully charged. Charging typically takes approximately 100 minutes.
- Always ensure batteries are fully charged before use for optimal performance.

Image 4.1: The RC car with its two rechargeable Lithium Ion batteries, highlighting the power source for extended playtime.
4.2. Installing Remote Controller Batteries
- Use the provided small Phillips head screwdriver to open the battery compartment on the back of the remote controller.
- Insert 2 x AA batteries (not included) into the compartment, ensuring correct polarity (+/-).
- Replace the battery cover and secure it with the screw.
4.3. Filling the Water Tank for Spray Function
- Locate the water refill port at the rear of the RC car.
- Use the included absorption bottle to fill the water tank with clean tap water.
- Do not overfill.

Image 4.2: Demonstrates the process of refilling the water tank for the mist spray feature using the provided bottle.
4.4. Pairing the Remote Controller
- Ensure both the RC car and the remote controller have fresh or fully charged batteries installed.
- Turn on the RC car using the power button (usually located under a rubber cover for protection).
- Turn on the remote controller.
- The remote and car should automatically pair. If not, turn both off and on again.
5. Operating Instructions
Familiarize yourself with the remote controller functions for optimal control.
5.1. Basic Controls
- Forward/Backward: Use the left joystick or trigger to move the car forward or backward.
- Left/Right Steering: Use the right joystick or steering wheel to turn the car left or right.

Image 5.1: Children operating DEERC RC Trucks with 2.4GHz remote controls, demonstrating multi-user play without interference.
5.2. Special Features
- Music Function: Press the designated music button on the remote to activate or deactivate background music during operation.
- LED Lights: The car features colorful LED lights that illuminate during operation. These enhance visibility and visual appeal, especially in low-light conditions.
- Spray Function: Press the spray button on the remote to activate the mist spray from the rear of the car. Ensure the water tank is filled.
- Drifting: The car's design allows for controlled drifting on smooth surfaces. Practice to master this maneuver.

Image 5.2: The RC truck in action, demonstrating its music feature with musical notes depicted around it.

Image 5.3: The RC truck showcasing its vibrant LED lights and cool mist effect, creating an engaging visual experience.
5.3. 2.4GHz Anti-Interference Control
The 2.4GHz frequency allows multiple DEERC RC vehicles to operate simultaneously without signal interference, enabling group play and races.
6. Maintenance
6.1. Cleaning
- After each use, especially outdoors, wipe the car clean with a soft, dry cloth.
- Do not use water or chemical cleaners directly on electronic components.
- Remove any debris from the wheels and axles to ensure smooth operation.
6.2. Battery Care
- Always remove batteries from the RC car and remote controller when not in use for extended periods.
- Store batteries in a cool, dry place.
- Do not expose batteries to extreme temperatures.
- Dispose of depleted batteries responsibly according to local regulations.
6.3. Storage
- Store the RC car and remote controller in a dry environment, away from direct sunlight and moisture.
- Keep the product in its original packaging or a protective container to prevent damage.
7. Troubleshooting
Refer to the table below for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to remote. | Low batteries in car or remote; Not paired; Out of range. | Charge/replace batteries; Re-pair car and remote; Operate within range (approx. 164 feet). |
| Spray function not working. | Water tank empty; No water in absorption bottle. | Refill water tank using the absorption bottle. |
| Car moves slowly or inconsistently. | Low car battery; Debris in wheels/axles. | Charge car battery; Clean wheels and axles. |
| Interference with other RC vehicles. | Rare, but possible in crowded 2.4GHz environments. | Move to a less congested area; Re-pair devices. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | AU-DE121 |
| Product Dimensions | 10.24 x 6.1 x 5.51 inches |
| Item Weight | 1.45 pounds |
| Recommended Age | 6 years and up |
| Car Batteries | 2 x Lithium Ion (3.7V/500mAh), included |
| Remote Batteries | 2 x AA (not included) |
| Playtime | Up to 40 minutes (with two batteries) |
| Control Frequency | 2.4GHz |
| Special Features | Spray function, Music, Colorful LED Lights, Drift capability |
9. Warranty and Support
DEERC products are manufactured to high-quality standards. For specific warranty details, please refer to the warranty card included with your purchase or visit the official DEERC website. If you encounter any issues or require technical assistance, please contact DEERC customer support through the contact information provided on the product packaging or their official website.
For further assistance, please visit: DEERC Official Store on Amazon





