1. Introduction
Thank you for choosing the JOYIN Light-Up Zombie Groundbreaker. This decoration is designed to enhance your Halloween display with its realistic appearance, glowing eyes, and creepy sound effects. This manual provides essential information for safe setup, operation, and maintenance of your product.

Image 1.1: The JOYIN Light-Up Zombie Groundbreaker in an outdoor setting.
2. Safety Information
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in injury or damage to the product.
- Supervision: Keep children and pets supervised around the decoration to prevent accidental interaction or damage.
- Flammable Materials: Keep the decoration away from flammable materials, open flames, and heat sources to reduce fire risk.
- Placement: Ensure the decoration is placed on a stable, level surface to prevent it from falling over.
- Weather Conditions: While suitable for outdoor use, protect the decoration from extreme weather conditions such as heavy rain, snow, or strong winds to prolong its lifespan.
- Battery Safety: Use only the specified battery type and ensure correct polarity during installation. Do not mix old and new batteries or different types of batteries. Remove batteries if the product will not be used for an extended period.
3. Package Contents
Verify that all components are present upon unpacking:
- 1 x JOYIN Light-Up Zombie Groundbreaker unit
- Instruction Manual (this document)
Note: 3 AA batteries are required for operation and are not included.
4. Setup
Follow these steps to set up your Zombie Groundbreaker:
- Unpack: Carefully remove the Zombie Groundbreaker from its packaging.
- Battery Installation: Locate the battery compartment, typically on the back or underside of the main unit. Open the compartment cover (a small screwdriver may be required). Insert 3 new AA batteries, ensuring correct polarity (+/-). Close the battery compartment securely.

Image 4.1: Battery compartment location and installation.
- Placement: Position the Zombie Groundbreaker in your desired location, such as a lawn, yard, patio, or graveyard scene. Ensure its arms and head are arranged to create the desired effect.
- Activate: Locate the ON/OFF switch, usually near the battery compartment. Switch it to the 'ON' position.
5. Operating Instructions
The JOYIN Light-Up Zombie Groundbreaker is sound-activated, providing an interactive scare experience.
- Sound Activation: Once turned 'ON', the zombie will activate its creepy sounds and flashing eyes when sound or motion is detected within approximately 20 inches of the unit.
- Light-Up Eyes: The zombie's eyes will glow red and flash when activated, adding to the spooky atmosphere.
- Sound Effects: The unit produces various creepy sounds, including screams and yells, upon activation.

Image 5.1: The zombie's built-in LED lights illuminate its eyes.

Image 5.2: The zombie produces various horrific sounds.
6. Maintenance
Proper care will ensure the longevity of your decoration:
- Cleaning: Wipe the surface with a soft, dry cloth. Do not use abrasive cleaners or immerse the unit in water.
- Storage: When not in use, store the Zombie Groundbreaker in a cool, dry place, away from direct sunlight and extreme temperatures. Remove batteries before storage.
- Inspection: Periodically check for any signs of wear or damage to the fabric, plastic, or latex components.
7. Troubleshooting
If you encounter issues with your Zombie Groundbreaker, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or lights | Batteries are dead or incorrectly installed. Unit is OFF. | Check battery polarity and replace with fresh AA batteries. Ensure the ON/OFF switch is in the 'ON' position. |
| Sound/lights activate intermittently or not at all | Sensor obstruction or insufficient sound/motion. | Ensure the sensor area is clear. Test in an environment with clear sound or motion within 20 inches. |
| Sound is distorted or too low | Low battery power. | Replace batteries with fresh AA batteries. |
8. Specifications
- Model Number: 11577
- Dimensions (L x W x H): 10.94 x 10.79 x 5.55 inches (approx. 44 inches width when arms are extended)
- Item Weight: 1.06 pounds
- Material: Plastic, Fabric, Latex
- Power Source: 3 x AA Batteries (not included)
- Light Color: Red (for eyes)
- Activation: Sound and Motion Activated (within approx. 20 inches)
- UPC: 840165800592

Image 8.1: Approximate dimensions of the Zombie Groundbreaker.
9. Warranty and Support
For product support, questions, or warranty information, please contact JOYIN customer service through the retailer where the product was purchased or visit the official JOYIN website. Please retain your proof of purchase for any warranty claims.