Introduction
This user manual provides comprehensive instructions for the safe and effective use of your DEWENWILS Outdoor Digital Power Strip Timer. Please read this manual thoroughly before installation and operation, and retain it for future reference.
Important Safety Information
- Ensure the product is properly grounded.
- Do not immerse the unit in water.
- Do not exceed the maximum load capacity of 15A/1800W.
- Keep children away from the device.
- Disconnect power before performing any maintenance or adjustments.
Product Features
Easy to Program & Install
The DEWENWILS Outdoor Digital Power Strip Timer offers up to 20 programmable ON/OFF settings, allowing you to automate your outdoor devices. Programs can be set to repeat weekly. The timer displays time in a 24-hour (military time) format.
Installation is straightforward: connect the stake and power strip, then firmly wedge it into the ground.
Waterproof for Outdoor Use
Designed for outdoor environments, this timer features a sturdy weatherproof cover that protects the digital display and outlets from water, dust, and damage. It is suitable for use in rainy or snowy conditions, making it ideal for outdoor lighting, ponds, pumps, sprinklers, and holiday decorations.

Image: The DEWENWILS Outdoor Digital Power Strip Timer with its protective weatherproof cover, shown in a simulated rainy environment, highlighting its suitability for outdoor use.
Backup Battery Design
A built-in backup battery ensures that all your programmed settings are retained for up to 3 months in the event of a power outage, eliminating the need for frequent reprogramming.

Image: A close-up of the timer's digital display, showing the time and a battery icon, indicating the power backup feature that preserves settings during outages.
Heavy Duty & Durable
Constructed with a 15A/1800W heavy-duty 14/3C SJTW cord, an overload protection switch, and fireproof PC material, this timer provides superior safety and durability for long-term outdoor use.
6 Grounded Outlets & 6ft Cord
The unit features six grounded outlets, all controlled by the same programmed schedule. A 6-foot extension cord provides ample reach for various outdoor applications.

Image: The DEWENWILS Outdoor Digital Power Strip Timer with its six grounded outlets clearly visible, emphasizing its multi-socket capability and the integrated 6-foot power cord.
Package Contents
- 1 x DEWENWILS Outdoor Digital Power Strip Timer (Model: SP-058A)
- 1 x Ground Stake (multi-section for adjustable height)
- 1 x User Manual (this document)

Image: An exploded view diagram of the DEWENWILS Outdoor Digital Power Strip Timer, detailing its components such as the main timer unit, the multi-section ground stake, and the power cord, along with key dimensions.
Setup Instructions
1. Assemble the Stake
Connect the sections of the ground stake by twisting them together. Attach the assembled stake to the bottom of the timer unit by screwing it into the designated port. Ensure it is securely fastened.

Image: A visual guide demonstrating the assembly of the multi-section ground stake, showing how the pieces twist together to form the full stake for the timer unit.
2. Reset the Timer
Before initial programming, reset the timer. Use a small pointed object (like a pen tip) to press the "R" (Reset) button located on the timer's face. The display will clear, indicating a successful reset.
3. Set Current Time
Press and hold the "CLOCK" button. While holding "CLOCK", press "WEEK" to select the current day of the week (MO, TU, WE, TH, FR, SA, SU). Continue holding "CLOCK" and press "HOUR" to set the current hour, then "MIN" to set the current minute. Release "CLOCK" to save the time.
4. Program ON/OFF Schedules
Press the "PROG" button to enter programming mode. The display will show "1 ON".
- Press "WEEK" to select the desired day(s) for the first ON event (e.g., MO-SU, MO-WE-FR, etc.).
- Press "HOUR" and "MIN" to set the desired ON time.
- Press "PROG" again to save the ON time and proceed to "1 OFF".
- Repeat steps 1-2 to set the desired OFF time for the first program.
- Press "PROG" again to save the OFF time and advance to the next program ("2 ON").
Repeat this process for up to 20 ON/OFF programs. To exit programming mode at any time, press the "CLOCK" button.
5. Select Operating Mode
Press the "ON/AUTO/OFF" button to cycle through the operating modes:
- ON: The timer is always ON, bypassing all programmed schedules.
- AUTO ON: The timer is currently ON, and the programmed ON/OFF schedule is activated.
- AUTO OFF: The timer is currently OFF, and the programmed ON/OFF schedule is activated.
- OFF: The timer is always OFF, bypassing all programmed schedules.
For automatic operation based on your schedules, ensure the mode is set to "AUTO ON" or "AUTO OFF" as appropriate for the current time.
6. Daylight Saving Time (DST) Adjustment
To adjust for Daylight Saving Time, press and hold the "CLOCK" button for 3 seconds. The "+1h" icon will appear on the display, and the time will advance by one hour. Repeat the process to revert the time.
Operating the Timer
Connecting Devices
Plug your outdoor lights, pumps, or other electrical devices into the six grounded outlets on the timer. Ensure the protective covers are securely closed over any unused outlets.

Image: The DEWENWILS Outdoor Digital Power Strip Timer with several outdoor electrical devices plugged into its outlets, demonstrating how cables can be routed for optimal use.
Manual Override
To temporarily override the programmed schedule, press the "ON/AUTO/OFF" button. This allows you to manually turn the connected devices ON or OFF without affecting the stored programs. The display will show "ON" or "OFF" accordingly. To return to automatic operation, press the button until "AUTO ON" or "AUTO OFF" is displayed.
Recalling Programs
The "R/RECALL" button can be used to quickly review or modify existing ON/OFF settings. Press it repeatedly to cycle through your programmed events.
Maintenance
- Regularly inspect the timer and its cord for any signs of damage, wear, or fraying.
- Keep the weatherproof cover clean and free of debris to ensure proper sealing.
- Clean the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Ensure the ground stake is firmly in place to prevent the unit from tipping over.
- Store the timer in a dry, protected area when not in use for extended periods.
Troubleshooting
Timer Not Turning ON/OFF as Programmed
- Check Operating Mode: Ensure the timer is set to "AUTO ON" or "AUTO OFF" mode. If it's in "ON" or "OFF" mode, it will bypass schedules.
- Verify Programs: Double-check your programmed ON/OFF times and days. Ensure they are correctly entered and not conflicting.
- Current Time: Confirm the current time and day are accurately set on the timer.
- Power Supply: Ensure the timer is receiving power from the outlet. Check the circuit breaker.
Display is Blank or Faint
- Battery Check: The internal backup battery might be low. Plug the timer into a live outlet for several hours to charge the battery.
- Reset: Perform a full reset using the "R" button.
Overload Protection Tripped
- If the overload protection switch has tripped, disconnect some devices and press the reset button on the timer. Ensure the total wattage of connected devices does not exceed 1800W (15A).
Specifications
| Feature | Detail |
|---|---|
| Model Number | SP-058A |
| Voltage | 120V AC, 60Hz |
| Max Load | 15A / 1800W |
| Total Power Outlets | 6 Grounded Outlets |
| Cord Length | 6 ft (14/3C SJTW) |
| Programming | Up to 20 ON/OFF settings, Weekly Repeat |
| Special Features | Waterproof, Backup Battery Design, Overload Protection |
| Item Weight | 8 ounces (0.5 lbs) |
| Dimensions (approx.) | 9.69 x 6.97 x 5 inches (Package) |
Warranty and Support
DEWENWILS products are designed for reliability and performance. For warranty information, technical support, or assistance with your product, please refer to the contact details provided on the product packaging or visit the official DEWENWILS website.
You can also visit the DEWENWILS Store on Amazon for more information and product support.

