Introduction
The Fosmon 24 Hour Programmable Digital Timer Outlet is designed to automate the on/off cycles of your electrical devices. This timer allows you to set a single daily program that repeats every 24 hours, providing convenience and energy savings. It features an easy-to-read LCD display and user-friendly buttons for simple operation. The compact design ensures it won't block adjacent outlets.
This product is ideal for controlling seasonal lights, lamps, heaters, portable fans, and aquarium equipment, helping you manage your energy consumption efficiently.

Image: Two Fosmon 24 Hour Programmable Digital Timer Outlets, showing their front panels with LCD displays and control buttons.
Safety Information
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Do not immerse the timer in water or any other liquid.
- Do not connect any appliance that exceeds the timer's maximum load rating (125V/15A, 1875W).
- Always ensure the timer is securely plugged into a grounded outlet. The polarized 2-prong outlet design helps reduce the risk of electrical shock.
- Do not disassemble or attempt to repair the timer. Refer all servicing to qualified personnel.
- Keep out of reach of children.
- This timer is certified by ETL, FCC, and RoHS, ensuring it meets safety and environmental standards.

Image: A close-up view of the back of the Fosmon Digital Timer Outlet, highlighting the ETL certification mark and electrical specifications (125VAC, 60Hz, 15A, 1875W).
Product Features
- 24-Hour Programmable: Set one ON/OFF program that repeats daily.
- Manual Override: Easily switch the outlet ON or OFF manually using the MODE button.
- LCD Display: Large, easy-to-read digital display for clear time and program settings.
- Backup Battery: Internal NiMH 1.2V battery maintains settings for over 100 hours during power outages or when unplugged.
- Space-Saving Design: Compact size allows for use in duplex outlets without blocking the second receptacle.
- Wide Compatibility: Suitable for incandescent, CFL, and LED lights, as well as various appliances within specified wattage.
- Safety Certified: ETL, FCC, and RoHS certified for reliable and safe operation.
Setup
1. Initial Power-Up
- Plug the Fosmon Digital Timer Outlet into a standard 125V AC wall outlet.
- The LCD display will light up, and the internal backup battery will begin charging.
2. Setting the Current Time
- Press and hold the TIME button.
- While holding TIME, press the HOUR button to adjust the current hour. The time will cycle through AM/PM.
- While holding TIME, press the MIN button to adjust the current minute.
- Release the TIME button once the correct time is set.

Image: A hand interacting with the Fosmon Digital Timer Outlet, demonstrating its user-friendly design with large, easy-to-read buttons and display.
Operating Instructions
1. Programming ON/OFF Times (Daily Repeat)
This timer allows for one ON/OFF program setting that repeats every 24 hours.
- Set ON Time:
- Press and hold the ON button.
- While holding ON, press the HOUR button to set the desired ON hour.
- While holding ON, press the MIN button to set the desired ON minute.
- Release the ON button. The ON time is now set.
- Set OFF Time:
- Press and hold the OFF button.
- While holding OFF, press the HOUR button to set the desired OFF hour.
- While holding OFF, press the MIN button to set the desired OFF minute.
- Release the OFF button. The OFF time is now set.
- Once both ON and OFF times are set, the timer will automatically begin its programmed cycle. The display will show "ON" when the outlet is active and "OFF" when it is inactive, according to your schedule.

Image: A visual guide illustrating the steps to set the ON and OFF times for the timer, indicating which buttons to press for hour and minute adjustments.
2. Manual ON/OFF Override
To manually turn the connected device ON or OFF, press the MODE button. Each press will toggle the outlet's state between ON and OFF, overriding the current program until the next programmed event.

Image: The Fosmon Digital Timer Outlet positioned in a home environment, illustrating its role in automating devices and contributing to energy savings.
Maintenance
- Cleaning: Wipe the timer with a dry, soft cloth. Do not use abrasive cleaners or solvents.
- Battery Backup: The internal NiMH battery is designed to retain settings for over 100 hours when the unit is unplugged or during a power outage. No user maintenance is required for this battery.
- Storage: If storing the timer for an extended period, ensure it is unplugged and kept in a cool, dry place.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or numbers are missing. | No power to the unit, or internal battery is fully discharged. | Ensure the timer is securely plugged into a live outlet. Allow the unit to charge for a few hours to replenish the internal battery. If the issue persists, the unit may be faulty. |
| Programmed times are not activating the outlet. | Incorrect program setting, or manual override is active. | Review the ON/OFF programming steps carefully. Ensure the current time is set correctly. Press the MODE button to ensure the timer is not in manual override mode. |
| Outlet is always ON or always OFF. | Program not set, or stuck in manual mode. | Verify that both ON and OFF times have been set. Press the MODE button to cycle through modes and ensure it's in programmed mode. |
Specifications
- Model Number: C-10749US
- Power: AC 125V/15A, 60Hz
- Wattage: 1875W (Max)
- Internal Battery: NiMH 1.2V (> 100 Hours backup)
- Program Settings: 1 ON/OFF Program (Daily Repeat)
- Dimensions: Approximately 3.84 x 8.38 x 3.99 cm
- Weight: Approximately 204 g
- Certifications: ETL, FCC, RoHS
- Outlet Type: Single Polarized Outlet
Warranty and Support
Fosmon products come with a limited lifetime warranty. This warranty covers defects in materials and workmanship under normal use. For warranty claims or technical support, please contact Fosmon customer service.
Fosmon provides dedicated USA-based customer service to assist you with any questions or issues you may encounter.
For the most up-to-date contact information, please visit the official Fosmon website or refer to the packaging of your product.





