1. Product Overview
The PetUltra Automatic Cat Feeder DU4LB-KY is designed to provide scheduled and portion-controlled meals for your cat. It features a 4-liter food capacity, a dual-bowl design, and a 2-way power supply for reliable operation. This manual provides instructions for setup, operation, and maintenance.
1.1 Package Contents
- Automatic Feeder Main Unit
- Food Tank
- Lid
- Dual Food Bowls (Stainless Steel)
- USB Type-C Cable
- AC Adapter (PSE Certified)
- Desiccant Pack
- User Manual
1.2 Component Identification
Familiarize yourself with the parts of your PetUltra Automatic Cat Feeder.

Image 1: Component Identification. This image displays the main unit with labels pointing to the Lid, Food Tank, Control Panel, Food Dispensing Outlet, and Dual Bowl Tray.
2. Safety Information
- Read all instructions before use.
- Do not immerse the main unit in water. Only removable parts are washable.
- Use only dry pet food with a diameter between 2mm and 10mm.
- Keep out of reach of children and pets when not in use or during assembly.
- Ensure the feeder is placed on a stable, level surface.
- Do not use damaged power cords or adapters.
- Dispose of batteries properly.
3. Setup
3.1 Power Supply Connection
The feeder supports two power options: AC adapter and D-size batteries (not included).
- Connect the provided USB Type-C cable to the feeder and the AC adapter.
- Plug the AC adapter into a standard wall outlet.
- For battery backup, open the battery compartment on the bottom of the unit and insert three D-size alkaline batteries. Ensure correct polarity.
The feeder will automatically switch to battery power during an outage if batteries are installed.

Image 2: 2-Way Power Supply. This image illustrates the battery compartment for three D-size batteries and the Type-C power input for the AC adapter.
3.2 Filling the Food Tank
- Remove the lid from the top of the feeder.
- Pour dry pet food (2-10mm diameter) into the food tank.
- Replace the lid securely. The lid is designed to be secure to prevent spills and tampering.

Image 3: Secure Lid. This image shows a cat attempting to open the feeder's lid, highlighting its secure, anti-tamper design.
3.3 Installing the Desiccant Pack
To maintain food freshness, install the desiccant pack in the designated holder under the lid.
- Locate the desiccant holder on the underside of the feeder lid.
- Insert the desiccant pack into the holder.
- Replace the desiccant pack approximately every month for optimal freshness.

Image 4: Desiccant Holder. This image illustrates the location and installation of the desiccant pack under the feeder's lid to keep food fresh.
4. Operating Instructions
4.1 Setting the Feeding Schedule
The feeder allows you to set up to 6 feeding times per day, with 20 adjustable portion sizes per meal (approximately 5g to 100g per portion).

Image 5: Feeding Schedule Example. This image shows a sample feeding schedule with various times and corresponding portion settings.
- Press the "SET" button on the control panel to enter programming mode.
- Use the "Up" and "Down" arrows to adjust the current time. Press "SET" to confirm.
- Set the first meal time: Use "Up" and "Down" to adjust the hour and minute, then press "SET".
- Set the portion size for the first meal: Use "Up" and "Down" to select a portion from 1 to 20, then press "SET".
- Repeat steps 3 and 4 for up to 6 meals. If fewer than 6 meals are desired, simply exit programming mode after setting your last meal.
- To exit programming mode, hold the "SET" button for a few seconds or wait for the display to time out.
Note: The display shows the current time, battery status, lock status, and meal number/portion. A lock icon indicates the panel is locked to prevent accidental changes. Hold the "Up" arrow for 3 seconds to lock/unlock.
5. Maintenance
Regular cleaning ensures hygiene and extends the life of your feeder.
5.1 Cleaning Instructions
- Unplug the feeder from the power outlet and remove any batteries.
- Remove the lid, food tank, and dual food bowls.
- Wash the lid, food tank, and bowls with mild soap and water. Rinse thoroughly.
- Allow all removable parts to air dry completely before reassembling.
- Wipe the main unit with a damp cloth. Do not immerse the main unit in water.

Image 6: Washable Components. This image displays the removable parts of the feeder (food tank, lid, bowls) that can be hand-washed for hygiene.
5.2 Desiccant Replacement
Replace the desiccant pack monthly to maintain optimal food freshness.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Feeder not dispensing food. |
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| Display not working. |
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| Food not fresh. |
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7. Specifications
| Feature | Detail |
|---|---|
| Model Number | DU4LB-KY |
| Brand | PETULTRA |
| Material | ABS |
| Target Species | Cat |
| Capacity | 4 Liters |
| Dimensions (L x W x H) | 316mm x 320mm x 338mm |
| Weight | 1.9 kg |
| Power Supply | 5V DC Adapter (PSE Certified) / 3 x D-size Batteries (not included) |
| Feeding Schedule | Up to 6 meals/day |
| Portion Size | 1-20 portions (approx. 5g-100g per meal) |
| Compatible Food Size | 2-10mm dry food |
| Noise Level | Below 36dB |
| Care Instructions | Hand wash removable parts only |

Image 7: Product Dimensions and Specifications. This image provides a visual representation of the feeder's size and lists key specifications.
8. Warranty and Support
8.1 Warranty Information
This PetUltra Automatic Cat Feeder comes with a 1-year warranty from the date of purchase. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or natural disasters.
8.2 Customer Support
For any questions, troubleshooting assistance, or warranty claims, please contact PetUltra customer support through the retailer where you purchased the product. Please have your purchase receipt and product model number (DU4LB-KY) ready when contacting support.