1. Introduction
The Lightkiwi H5576 Digital Timer is designed to provide automated control for your low voltage landscape lighting system. This timer offers convenience and energy efficiency by allowing you to program specific on/off times for your lights. Its robust features and easy-to-read display make it an ideal solution for managing your outdoor illumination.
Key Features:
- Automatically Turns Your Low Voltage Lighting System On/Off
- Easy Set Up Operation
- Large, Easy to Read Digital LCD Display
- Automatic or Manual Operation
- Program Up To 18 On/Off Settings Per Week

2. Safety Information
Please read all instructions carefully before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury. Keep this manual for future reference.
- Do not immerse the timer in water or expose it to excessive moisture.
- Ensure the timer is properly plugged into a compatible outlet.
- Do not exceed the maximum electrical ratings: 15 Amps, 1875 Watts Resistive or General Purpose; 8 Amps, 1000 Watts Tungsten.
- This timer is designed for 125 Volts AC, 60 Hz applications.
- Keep out of reach of children.
- Disconnect power before cleaning or performing any maintenance.
3. Setup Instructions
The Lightkiwi H5576 Digital Timer is designed for easy integration with your low voltage landscape lighting system. It is specifically compatible with the Lightkiwi 300 Watt Transformer (Model# W9715). Please note that this timer does not fit into 75 watt transformers due to their built-in mechanical timers.
Initial Setup:
- Unpack the Timer: Carefully remove the timer from its packaging.
- Inspect the Timer: Check for any visible damage.
- Plug In: Insert the timer directly into a standard 125V AC, 60Hz wall outlet or the designated timer receptacle on your compatible Lightkiwi transformer. The timer features a battery backup to retain settings during power outages.
- Connect Device: Plug the device you wish to control (e.g., your landscape lighting transformer) into the outlet on the side of the digital timer.


Setup Video:
Watch this official Lightkiwi video for a visual guide on setting up your timer with a Lightkiwi transformer:
Video: Timers for Lightkiwi Transformer. This video demonstrates the compatibility and connection of Lightkiwi timers with Lightkiwi transformers.
4. Operating Instructions
The H5576 Digital Timer allows for both automatic and manual operation, with the ability to program up to 18 on/off settings per week. The large LCD display ensures easy readability.
Setting the Current Time:
- Press the TIME button. The hour display will flash.
- Use the UP and DOWN buttons to adjust the hour.
- Press TIME again. The minute display will flash.
- Use the UP and DOWN buttons to adjust the minutes.
- Press TIME again. The day of the week will flash.
- Use the UP and DOWN buttons to select the current day.
- Press TIME to confirm and exit time setting mode.
Programming On/Off Cycles:
You can set up to 18 distinct ON/OFF programs. Each program consists of an ON time and an OFF time.
- Press the SET button. The display will show "1 ON" and the hour will flash.
- Use UP and DOWN to set the desired ON hour for program 1.
- Press SET. Set the ON minutes using UP and DOWN.
- Press SET. Set the day(s) of the week for this ON program using UP and DOWN. You can choose individual days, weekdays, weekends, or all days.
- Press SET. The display will show "1 OFF" and the hour will flash.
- Repeat steps 2-4 to set the desired OFF time and day(s) for program 1.
- Continue pressing SET to cycle through programs 2-18 and set them as needed. If you do not need all 18 programs, simply press CTD to exit programming mode.
Manual Override:
To manually turn the connected device ON or OFF, press the MANUAL button. Each press will cycle through ON, OFF, and AUTO modes. In AUTO mode, the timer will follow your programmed settings.
Random Function:
The RND (Random) button can be used to activate a random on/off pattern, which can be useful for security purposes when you are away. Consult the full user guide (link in product documents) for detailed instructions on using the random function.
5. Maintenance
The Lightkiwi H5576 Digital Timer requires minimal maintenance to ensure long-lasting performance.
- Cleaning: Wipe the timer with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the timer is unplugged before cleaning.
- Storage: If storing the timer for an extended period, ensure it is clean and dry. Store in a cool, dry place away from direct sunlight.
- Battery Backup: The internal battery maintains settings during power outages. If the display is blank or settings are lost frequently, the battery may need to be recharged by keeping the unit plugged in for several hours.
6. Troubleshooting
If you encounter issues with your Lightkiwi H5576 Digital Timer, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Timer display is blank. | No power; internal battery drained. | Ensure the timer is securely plugged into a live outlet. Leave it plugged in for several hours to recharge the internal battery. |
| Connected device does not turn on/off at programmed times. | Incorrect programming; timer in manual mode; power outage. | Verify your ON/OFF programs are set correctly. Press the MANUAL button until the timer is in AUTO mode. Check for power outages. |
| Difficulty programming the timer. | Unfamiliarity with button sequence. | Refer to the "Operating Instructions" section (Section 4) and follow the steps carefully. It may be helpful to unplug the timer and program it in a comfortable setting before re-installing. |
| Timer trips circuit breaker. | Overload; incompatible transformer. | Ensure the connected load does not exceed the timer's maximum wattage (1875W). Verify compatibility with your transformer (e.g., Lightkiwi 300W Transformer Model# W9715). Do not use with 75W transformers. |
7. Specifications
| Specification | Detail |
|---|---|
| Model Number | H5576 |
| Brand | Lightkiwi |
| Color | White |
| Material | Plastic |
| Input Voltage | 125 Volts AC, 60 Hz |
| Max. Input Current/Watt | 15 Amps, 1875 Watts Resistive or General Purpose |
| Tungsten Rating | 8 Amps, 1000 Watts Tungsten |
| Number of Settings | Up to 18 On/Off settings per week |
| Product Dimensions | 3.5 x 3 x 2.5 inches |
| Item Weight | 3.84 ounces |
| Certifications | ETL Listed |
| UPC | 615953178111 |
8. Warranty and Support
Lightkiwi is committed to providing high-quality products. For specific warranty information regarding your H5576 Digital Timer, please refer to the documentation included with your purchase or visit the official Lightkiwi website.
Customer Support:
If you have any questions, require technical assistance, or need to report an issue, please contact Lightkiwi customer support. You can find contact information and additional resources by visiting the Lightkiwi Brand Store on Amazon or their official website.

