Introduction
Thank you for choosing the GEFU Digital Timer Safe. This versatile 3-in-1 device combines a precise clock, a reliable alarm, and a smart timer, designed to assist you in various kitchen and household tasks. Please read this manual carefully before first use to ensure proper operation and longevity of your device.
Product Overview
The GEFU Digital Timer Safe is a compact and functional kitchen tool. It features a clear digital display and an intuitive rotary knob for setting. The integrated magnet allows for convenient placement on metallic surfaces.
Key Features
- Digital timer with permanent time display
- Triple function: Time display, Alarm clock, and Timer
- Easy setting of clock and alarm via button press
- Intuitive timer setting by turning the rotary knob

Image: Front view of the GEFU Digital Timer Safe, showing the digital display, "MODE" button, and "START STOP" button, along with the rotary dial.
Setup
Battery Installation
- Locate the battery compartment on the back of the device.
- Open the battery compartment cover.
- Insert the required batteries (e.g., 2 x AAA, not included) ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
Initial Time Setting
- After battery installation, the display will typically show a default time or flash.
- Press and hold the MODE button until the hour digits begin to flash.
- Turn the rotary knob to adjust the hour.
- Press the MODE button again to switch to minute adjustment.
- Turn the rotary knob to adjust the minutes.
- Press the MODE button once more to confirm the time and exit time setting mode.
Operating Instructions
The GEFU Digital Timer Safe offers three main functions: Clock, Alarm, and Timer.
1. Clock Mode
In its default state, the device displays the current time. This is the Clock Mode.
2. Alarm Clock Mode
- From Clock Mode, press the MODE button once to enter Alarm Setting Mode. The alarm time will be displayed, possibly flashing.
- If the hour digits are not flashing, press and hold the MODE button until they do.
- Turn the rotary knob to set the desired alarm hour.
- Press the MODE button again to switch to minute adjustment.
- Turn the rotary knob to set the desired alarm minutes.
- Press the MODE button once more to confirm the alarm time.
- To activate/deactivate the alarm, press the START STOP button while in Alarm Setting Mode. An alarm icon (e.g., a bell) will appear/disappear on the display.
- The alarm will sound for a set duration when the set time is reached. Press any button to silence it.
3. Timer Mode
- From Clock Mode, press the MODE button twice to enter Timer Mode. The display will show "00:00" or the last set timer value.
- To set the timer, turn the large outer rotary knob. Turning clockwise increases the time, counter-clockwise decreases it.
- The timer can be set up to a maximum of 99 minutes and 59 seconds.
- Press the START STOP button to begin the countdown. The display will show the remaining time.
- To pause the timer, press the START STOP button again. Press it once more to resume.
- To stop and reset the timer, press and hold the START STOP button for a few seconds until the display resets to "00:00".
- When the timer reaches zero, an alarm will sound. Press any button to silence it.

Image: The GEFU Digital Timer Safe conveniently attached to the side of a modern oven, demonstrating its magnetic mounting feature.
Maintenance
Cleaning
To clean the device, wipe it with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
Battery Replacement
When the display becomes dim or the device functions erratically, it is time to replace the batteries. Follow the battery installation steps outlined in the "Setup" section.
Storage
Store the timer in a dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Batteries are dead or incorrectly installed. | Replace batteries, ensuring correct polarity. |
| Timer/Alarm does not sound. | Alarm function is deactivated or batteries are low. | Ensure alarm is activated (check for alarm icon). Replace batteries if sound is weak. |
| Timer setting is difficult or skips values. | Rotary knob might be turned too quickly or mechanism issue. | Turn the knob slowly and deliberately. If problem persists, contact customer support. |
| Device does not stick to metallic surfaces. | Magnetic base is dirty or surface is not metallic. | Clean the magnetic base and ensure the surface is suitable for magnetic attachment. |
Specifications
- Brand: GEFU
- Model Number: 12335
- Material: Plastic
- Color: Black
- Dimensions (L x W x H): 9.5 cm x 9.5 cm x 3.5 cm
- Item Weight: 102 g
- Functions: Clock, Alarm, Timer
- Display Type: Digital

Image: View of the GEFU Digital Timer Safe from a slightly elevated angle, highlighting the textured rotary knob and the magnetic base.
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official GEFU website.





