Product Overview and Compatibility
The Avisontek Universal Garage Door Opener Remote is designed for broad compatibility with various garage door opener brands. This remote features a robust design and advanced security for reliable operation.
Key Features:
- Wide Compatibility: Works with LiftMaster, Chamberlain, and Sears Craftsman garage door openers featuring Purple, Red, Orange, Yellow, or Green learn buttons manufactured since 1993.
- Rolling Code Security: Utilizes a smart rolling code system to update password information in real-time, enhancing security and preventing unauthorized access.
- Durable Construction: Made from ABS alloy material, designed to be cold and shock-resistant.
- Long-Range Operation: Provides an effective operating range of up to 164 feet.
Compatibility Details:
This remote is compatible with garage door openers that have a learn button of the following colors: Purple, Red, Orange, Yellow, or Green, manufactured since 1993. It replaces models such as 371LM, 373LM, 971LM, 973LM, 81LM, 83LM, 891LM, 893LM, 893Max, 890Max, and 895Max.
Important Note: This remote does not support Security+ 3.0 white learn button openers produced in 2026 or dip switch openers.

This image illustrates the wide compatibility of the remote with different garage door opener brands and learn button types (Purple, Red, Orange, Yellow, Green) from 1993 to present. It also indicates non-compatibility with Security+ 3.0 white learn buttons and dip switch openers.
Setup and Programming
Follow these steps to program your Avisontek universal garage door opener remote:
- Locate the Learn Button: Identify the learn button on your garage door opener unit. Note its color (Purple, Red, Orange, Yellow, or Green).
- Activate Remote Programming Mode: On the back of the Avisontek remote, use a small object (like a paperclip) to press the 'PROG' button. The LED light on the remote will turn on.
- Select Button for Programming: Choose the button on the remote you wish to program. Press this button the number of times corresponding to your opener's learn button color (e.g., 1 for Purple, 2 for Red, 3 for Orange, 4 for Yellow, 5 for Green). After pressing, release any other button to exit 'PROG' mode.
- Pair with Opener: Press and immediately release the learn button on your garage door opener. The learn LED on the opener will glow steadily for approximately 30 seconds.
- Complete Pairing: Within 30 seconds of pressing the opener's learn button, press the chosen button on your Avisontek remote until you hear 1 or 2 clicks from the opener, indicating successful programming.

This diagram visually guides you through the five steps of setting up and syncing your Avisontek remote with your garage door opener, from locating the learn button to completing the pairing process.
This video demonstrates the programming process for the Avisontek 893MAX 953EV-P2 Universal Remote, showing how to sync it with a compatible garage door opener.
Operating Instructions
Once programmed, operating your Avisontek remote is straightforward:
- Open/Close Garage Door: Press the programmed button on the remote once to open or close your garage door.
- Stop Door Movement: Press the programmed button again while the door is in motion to stop it.

This image shows the remote being used from inside a vehicle to operate a garage door, highlighting its convenience and effective range.
Maintenance
The Avisontek remote is designed for durability and minimal maintenance. The pre-fitted CR2032 lithium battery provides long-lasting power.
Battery Replacement:
When the remote's LED indicator light becomes dim or the remote's range decreases, it may be time to replace the battery. The remote uses a CR2032 lithium battery.
- Locate the battery compartment on the back of the remote.
- Use a small coin or screwdriver to gently pry open the compartment cover.
- Remove the old CR2032 battery.
- Insert a new CR2032 battery with the positive (+) side facing up.
- Replace the compartment cover, ensuring it snaps securely into place.

This image highlights the remote's high-capacity 240mAh lithium battery and its durable ABS alloy shell, indicating robust construction and long battery life.
Troubleshooting
If your remote is not syncing or operating correctly, consider the following solutions:
- Solution 1: Verify Learn Button Color: Double-check the exact color of the learn button on your garage door opener. Incorrect color selection during programming is a common issue.
- Solution 2: Proximity to Opener: Ensure you are close to the garage door opener when attempting to program the remote. If programming fails, try clearing the opener's memory first.
- Solution 3: Clear Opener Memory: The memory of your opener may be full. Press and hold the learn button on the garage door opener for several seconds until the LED turns off. This clears all remote memory. Then, re-program the remote following the setup instructions.
- Battery Check: Ensure the remote's battery is properly installed and has sufficient charge. Replace if necessary.

This image includes a troubleshooting section with three common solutions for remote syncing problems, such as verifying the learn button color and clearing the opener's memory.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Universal Garage Door Opener Remote |
| Model Number | 893max |
| Brand | Avisontek |
| Connectivity Technology | Radio Frequency |
| Button Quantity | 3 |
| Maximum Range | 164 Feet |
| Battery Type | CR2032 Lithium (2 included) |
| Shell Material | ABS Alloy |
| Color | Black |
| Special Features | 3 Year Warranty, FCC Certified |

This image provides a visual summary of the product's key specifications, including model number, dimensions, operating range, frequency, battery type, and warranty information.
Warranty and Support
The Avisontek Universal Garage Door Opener Remote is covered by a 3-Year Protection Plan.
For any questions or support needs, Avisontek offers responsive customer service. All customer inquiries are typically addressed within 24 hours.
Contact Support:
Please refer to your purchase platform or the packaging for specific contact details for Avisontek customer support.

This image highlights the availability of 24-hour online technical support, the product's FCC certification, and the included 3-year warranty, emphasizing customer service and product quality.