1. Introduction
Thank you for choosing the GEFU GE12330 Digital Timer. This manual provides detailed instructions for the setup, operation, and maintenance of your new kitchen timer. Designed for precision and convenience, this timer will assist you in achieving perfect results in your cooking and baking endeavors.
The GEFU GE12330 features a clear digital display, intuitive controls, and a versatile design that allows it to be magnetically attached to metal surfaces or stood upright using its integrated stand. Its durable stainless steel construction ensures longevity and easy cleaning.

Figure 1: Front view of the GEFU GE12330 Digital Timer, highlighting its sleek stainless steel finish and clear digital readout.
2. Safety Instructions
Please read these safety instructions carefully before using the timer to ensure safe operation and to prevent damage to the device or injury.
- Do not immerse the timer in water or any other liquid. It is not waterproof.
- Keep the device away from extreme heat sources, open flames, and direct sunlight.
- Avoid dropping the timer or subjecting it to strong impacts, as this may damage internal components.
- Do not attempt to disassemble or repair the timer yourself. Refer to qualified service personnel for any repairs.
- Keep batteries out of reach of children. If swallowed, seek immediate medical attention.
- Dispose of used batteries according to local regulations.
3. Package Contents
Verify that all items are present in the package:
- 1 x GEFU GE12330 Digital Timer
- 1 x AAA Battery (pre-installed or included separately)
- 1 x User Manual (this document)
4. Setup
4.1 Battery Installation
The GEFU GE12330 Digital Timer operates on one AAA battery. If the display is blank or dim, the battery may need to be installed or replaced.
- Locate the battery compartment cover on the back of the timer.
- Slide or gently pry open the cover.
- Insert one AAA battery, ensuring the correct polarity (+ and -) as indicated inside the compartment.
- Close the battery compartment cover securely. The display should now show "00:00" or the current time if it has a clock function (this model is a timer only).
4.2 Placement Options
The timer offers two convenient placement options:
- Magnetic Attachment: The back of the timer features a strong magnet, allowing it to be securely attached to metallic surfaces such as refrigerators, oven doors, or range hoods.
- Integrated Stand: Pull out the small stand located on the back of the timer to place it upright on any flat surface, such as a countertop or table.

Figure 2: The GEFU Digital Timer in a kitchen environment, showcasing its compact size and practical placement on a countertop.
5. Operating Instructions
The GEFU GE12330 Digital Timer can count up (stopwatch) or count down (timer).
5.1 Setting the Countdown Timer
To set a specific countdown time:
- Ensure the display shows "00:00". If not, press the MIN and SEC buttons simultaneously to reset.
- Press the MIN button repeatedly to set the desired minutes. Each press increases the minutes by one. Holding the button down will accelerate the setting. The maximum setting is 99 minutes.
- Press the SEC button repeatedly to set the desired seconds. Each press increases the seconds by one. Holding the button down will accelerate the setting. The maximum setting is 59 seconds.
- Once the desired time is set, press the START/STOP button to begin the countdown. The display will show the remaining time.
- When the timer reaches "00:00", an audible alarm will sound. Press any button to stop the alarm.
5.2 Using the Stopwatch (Count-Up) Function
To use the timer as a stopwatch:
- Ensure the display shows "00:00". If not, press the MIN and SEC buttons simultaneously to reset.
- Press the START/STOP button. The timer will immediately begin counting up from "00:00".
- To pause the stopwatch, press the START/STOP button again.
- To resume counting, press START/STOP once more.
- To reset the stopwatch to "00:00", press the MIN and SEC buttons simultaneously while the stopwatch is paused or running.
5.3 Pausing and Resetting
- To pause the timer (either countdown or count-up), press the START/STOP button. Press it again to resume.
- To reset the timer to "00:00" at any point, press the MIN and SEC buttons simultaneously.
6. Maintenance
6.1 Cleaning
To clean your GEFU Digital Timer:
- Wipe the exterior with a soft, damp cloth.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as these may damage the finish or display.
- Ensure no water enters the battery compartment or other openings.
6.2 Battery Replacement
If the display becomes dim or the timer stops functioning, replace the AAA battery following the instructions in Section 4.1.
6.3 Storage
When not in use for extended periods, store the timer in a cool, dry place. It is recommended to remove the battery if storing for several months to prevent leakage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Battery is dead or incorrectly installed. | Replace the AAA battery, ensuring correct polarity. |
| Timer does not start/stop. | Buttons are stuck or internal malfunction. | Ensure buttons are not obstructed. If problem persists, contact customer support. |
| Alarm is not sounding. | Battery low or internal speaker issue. | Replace battery. If still no sound, contact customer support. |
| Timer resets unexpectedly. | Low battery or internal circuit issue. | Replace battery. Avoid strong impacts. |
8. Specifications
| Model: | GE12330 (GF12330) |
| Material: | Stainless Steel, Plastic |
| Color: | Inox (Stainless Steel) |
| Dimensions (L x W x H): | 8.2 x 2.2 x 19.2 cm (approx. 3.2 x 0.9 x 7.6 inches) |
| Weight: | 72 grams (approx. 2.5 oz) |
| Power Source: | 1 x AAA Battery (included) |
| Timer Range: | 59 seconds to 99 minutes |
| Display Type: | Digital LCD |
| Display Size: | 7.2 cm (diagonal) |
9. Warranty and Support
9.1 Product Warranty
The GEFU GE12330 Digital Timer comes with a 5-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accident, unauthorized modification, or normal wear and tear.
Please retain your proof of purchase for warranty claims.
9.2 Customer Support
For technical assistance, warranty claims, or general inquiries, please contact GEFU customer support through their official website or the contact information provided with your purchase. When contacting support, please have your product model number (GE12330) and purchase details ready.
10. Disposal Information
This product contains electronic components and a battery. Do not dispose of it with general household waste. Please follow local regulations for the proper disposal of electronic waste and batteries. Recycling helps conserve natural resources and protects the environment.





