1. Introduction
The Yunbaoit Visual Analog Timer TM021 is a versatile time management tool designed to help individuals, both children and adults, visualize the passage of time. Its silent operation and clear visual display make it ideal for various settings, promoting focus and improving time awareness without distracting ticking sounds.

Image 1.1: Yunbaoit Visual Analog Timer (LightBlue)
This timer features a colored disk that gradually disappears as time elapses, providing an intuitive visual representation of remaining time. It is suitable for managing study sessions, playtime, office tasks, cooking, and more.
2. Product Overview
Key Features:
- Visual Countdown: A 60-minute visual timer where a colored disk disappears in an anti-clockwise direction as time expires.
- Silent Operation: No loud ticking, making it suitable for sound-sensitive quiet environments.
- Adjustable Alarm: Features options for alarm duration (3 or 60 seconds) and volume (low or loud).
- Durable Design: Well-made and compact for portability and durability.
- Versatile Use: Ideal for time management in classrooms, offices, homes, and for individuals with special needs.

Image 2.1: The Yunbaoit Visual Analog Timer as a time management tool.
3. Setup
Battery Installation:
- Locate the battery compartment on the back of the timer.
- Slide open the battery cover.
- Insert 2 AAA batteries (not included), ensuring correct polarity (+ and - ends match the markings inside the compartment).
- Close the battery cover securely.

Image 3.1: Battery compartment showing correct AAA battery placement.
4. Operating Instructions
Setting the Timer:
- Turn the central knob clockwise to your desired time setting, up to a maximum of 60 minutes. The red colored disk will appear, indicating the set time.
- Release the knob. The timer will immediately begin counting down, and the colored disk will gradually disappear.

Image 4.1: Setting the timer by rotating the central knob.
Visual Countdown:
As time progresses, the visible portion of the colored disk will shrink, providing a clear visual representation of the remaining time. This visual cue is particularly helpful for children and individuals who benefit from non-numeric time tracking.

Image 4.2: Visual representation of time passing as the colored disk disappears.
Alarm Function:
When the colored disk completely disappears and the timer reaches zero, an audible alarm will sound.

Image 4.3: Timer indicating the alarm is sounding.
Adjusting Alarm Duration and Volume:
On the back of the timer, there are switches to customize the alarm:
- Alarm Duration: A switch allows you to select between a 3-second or 60-second alarm.
- Volume Control: A separate switch enables you to choose between a low or loud alarm volume.

Image 4.4: Rear view of the timer with alarm settings.
Stopping the Alarm:
To stop the alarm once it sounds, simply turn the central knob clockwise past the '0' mark and then back to '0'.
Official Product Video:
Video 4.5: An overview of the Yunbaoit Visual Analog Timer's features and operation.
5. Maintenance
- Cleaning: Wipe the timer with a soft, dry cloth. Do not use abrasive cleaners or immerse in water.
- Battery Replacement: Replace batteries when the timer's performance diminishes or if the alarm becomes weak.
- Storage: Store the timer in a cool, dry place away from direct sunlight and extreme temperatures.
6. Troubleshooting
- Timer not counting down: Ensure batteries are correctly installed and have sufficient charge. Make sure the knob is turned past the '0' mark before setting the desired time to engage the internal mechanism.
- Alarm not sounding: Check the alarm volume switch on the back to ensure it is not set to mute. Verify batteries are functional.
- Inaccurate timing: Ensure the timer is placed on a stable, flat surface. If issues persist, replace batteries.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Yunbaoit |
| Model Number | TM021 |
| Color | Lightblue |
| Material | Acrylonitrile Butadiene Styrene |
| Product Dimensions | 3"D x 1.57"W x 3"H |
| Item Weight | 3.46 ounces (98 Grams) |
| Countdown Time | 60 minutes or less |
| Batteries Required | Yes (2 AAA batteries, not included) |
8. Warranty and Support
For any issues with your Yunbaoit Visual Analog Timer, please contact the manufacturer directly. Refer to the product packaging or the official Yunbaoit website for specific warranty details and customer support contact information.




