Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your ORIA Large Digital Wall Clock. Please read this manual thoroughly before using the product to ensure proper function and longevity.
Safety Information
- Ensure the clock is powered by a 5V 1A USB adapter (not included).
- The CR2032 battery is for memory function only and is not user-replaceable.
- Do not expose the clock to extreme temperatures or direct sunlight.
- Keep away from water and high humidity.
- Do not attempt to disassemble or repair the clock yourself. Contact customer support if issues arise.
Package Contents
- 1 x ORIA Large Digital Wall Clock (Model F-8810)
- 1 x USB Power Cable
- 1 x CR2032 Battery (pre-installed for memory function)
- 1 x User Manual (this document)
Setup
Power Connection
The ORIA Large Digital Wall Clock is powered by USB only. Connect the provided USB cable to the clock and plug the other end into a 5V 1A USB adapter (not included). The clock will power on automatically.

Image: The ORIA Large Digital Wall Clock, showing its large digital display and sleek design. It is powered via a USB cable connected to a wall adapter.
Memory Battery
A CR2032 battery is included and pre-installed. This battery is solely for the memory function, ensuring that time data is not lost during power outages. It does not power the clock for display.
Video: Demonstrates the clock being plugged in and highlights that it is powered by USB only, with the CR2032 battery serving as a memory backup. It also shows how to set the time and alarm.
Operating Instructions
Time and Date Setting
- Keep pressing the "TIME SET" button for 3 seconds. The word "year" will flash. Press the "+" or "-" button to adjust the year.
- Press the "TIME SET" button again to adjust the month. The word "M" will flash. Press the "+" or "-" button to adjust the month.
- Press the "TIME SET" button again to adjust the date. The word "D" will flash. Press the "+" or "-" button to adjust the date.
- Press the "TIME SET" button again to adjust the hour. The hour part will flash. Press the "+" or "-" button to adjust the hour.
- Press the "TIME SET" button again to adjust the minute. The minute part will flash. Press the "+" or "-" button to adjust the minute.
- Press the "TIME SET" button again to exit the setting.
Note: In normal mode, press the "TIME SET" button to switch between 12/24 hour format.

Image: A visual guide showing the steps to set the time and date on the clock, highlighting the "TIME SET" button and the +/- buttons.
Alarm Setting (Dual Alarms)
- Keep pressing the "ALARM SET" button for 3 seconds. Alarm clock 1 and the hour part will flash. Press the "+" or "-" button to adjust the hour.
- Press the "ALARM SET" button again to adjust the minute. Press the "+" or "-" button to select the ringtone (40 options available).
- Press the "ALARM SET" button again to quit alarm clock 1 setting and begin to set alarm clock 2. The process is the same as setting alarm clock 1.
In normal time mode, press the "ON/OFF" button to select alarm clock 1 or alarm clock 2 or both alarm clocks. The icon will be on if the alarm clock is turned on. Turning off the alarm clock by pressing any button.

Image: The clock displaying two alarm settings, illustrating its dual alarm capability and showing a person waking up and another exercising, suggesting different alarm uses.
Brightness Adjustment
The clock features 6 levels of brightness (100%-80%-60%-40%-20%-OFF). The brightness automatically adjusts with ambient light, but you can also set it manually. Press the "LIGHT" button to cycle through brightness levels.

Image: A visual representation of the clock's 5-level brightness adjustment, showing the display at different intensity levels from 20% to 100% and off.
Temperature Display
The clock displays temperature in either Celsius (℃) or Fahrenheit (℉). To switch between units, press the "UP" button.
12/24 Hour Format
To switch between 12-hour and 24-hour time formats, press the "12/24H" button (often integrated with the TIME SET button, as noted in Time Setting section).
Placement Options
The ORIA Large Digital Wall Clock offers versatile placement options. It can be placed on a desk or table, or mounted on a wall using the two integrated hanging holes on the back.

Image: Two illustrations showing the clock's versatility: one mounted on a wall above a television, and another placed on a table.
Maintenance
- To clean the clock, gently wipe the surface with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
- Ensure the clock is unplugged before cleaning.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clock does not turn on. | No power supply or faulty USB connection. | Ensure the USB cable is securely connected and the USB adapter is working. Use a 5V 1A USB adapter. |
| Time/Date resets after power off. | CR2032 memory battery is not functioning correctly. | Ensure the CR2032 battery is properly seated. If the issue persists, contact customer support as the battery is not user-replaceable. |
| Temperature reading is inaccurate. | Environmental factors or sensor issue. | Allow the clock to acclimate to the room temperature for a few minutes. If the issue persists, contact customer support. |
| Alarm does not sound. | Alarm not activated or volume too low. | Ensure the alarm icon is displayed. Check alarm volume settings. |
Specifications
- Brand: ORIA
- Model: F-8810
- Display Type: Digital LED
- Screen Size: 10.5 inches
- Product Dimensions: 10.4"W x 2.8"H
- Power Source: Corded Electric (USB 5V 1A, adapter not included)
- Memory Battery: 1 x CR2032 (included, not user-replaceable)
- Alarms: Dual Alarms with 40 Ringtones
- Brightness: 6 Levels (100%-80%-60%-40%-20%-OFF), auto-adjusting
- Features: Time (12/24H), Date, Temperature (℃/℉), Adjustable Volume
- Mounting Type: Wall Mount or Desktop
- Material: Acrylonitrile Butadiene Styrene
- Item Weight: 11.7 ounces
Warranty and Support
ORIA offers a 12-month replacement warranty and lifetime support for this product. For any inquiries or assistance, please contact ORIA customer service through the retailer's platform or visit the official ORIA store online.
Official ORIA Store: https://www.amazon.com/stores/Oria/page/4BC68690-07C6-43A0-840D-F047E22C7922

Image: Graphic indicating ORIA's commitment to customer support, including lifetime support, 12-month replacement, and 7/24 online customer service.





