1. Introduction
Thank you for choosing the MDK 11-in-1 Cordless Window Vacuum Squeegee and Multi-Function Cleaning System. This versatile device is designed to simplify various cleaning tasks, offering powerful suction for wet and dry applications, along with an air blower function. Please read this manual thoroughly before first use to ensure proper operation, maintenance, and safety.
2. Important Safety Instructions
To reduce the risk of fire, electric shock, or injury, always follow basic safety precautions when using an electrical appliance. Keep this manual for future reference.
- Read all instructions before using the appliance.
- Do not immerse the appliance, charging cable, or adapter in water or other liquids.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
- Use only the charging cable and adapter provided by the manufacturer.
- Do not use the appliance if it is damaged or malfunctioning. Contact customer support for assistance.
- Do not vacuum flammable or combustible liquids, hot ashes, or sharp objects.
- Ensure the filter is properly installed before operation.
- Empty the water tank/dustbin regularly to maintain optimal performance.
- Store the appliance in a dry place when not in use.
3. Package Contents
Please check the package to ensure all items are present and in good condition:
- MDK Cordless Main Unit
- Window Vacuum Squeegee Head
- Air Blower Nozzle
- Wet/Dry Vacuum Nozzle
- Crevice Nozzle
- Scrub Brush Attachment
- Type-C Charging Cable
- Watering Can (Spray Bottle)
- Storage Container
- Exhaust Nozzle
- Exhaust Head
- Filter Element

Figure 3.1: All included components of the MDK 11-in-1 cleaning system.
4. Product Overview
The MDK 11-in-1 cleaning system features a compact and lightweight design, making it easy to handle for various cleaning tasks. The main unit houses the motor, battery, and collection tank, with interchangeable heads for different functions.

Figure 4.1: Main unit and primary attachments.
5. Setup and Assembly
5.1 Charging the Device
- Connect the Type-C charging cable to the charging port on the main unit.
- Plug the other end of the cable into a compatible USB power adapter (not included) or a USB port.
- The indicator light will show charging status (refer to LED indicator section for details). A full charge typically takes approximately [X] hours (Note: Charging time not specified in provided data, refer to product packaging or manufacturer's website for exact duration).
- Disconnect the charger once fully charged. Do not overcharge.
5.2 Attaching Accessories
The MDK cleaning system features a modular design, allowing for easy attachment and detachment of various cleaning heads.
- For Window Vacuum Squeegee: Align the squeegee head with the main unit's suction inlet and push firmly until it clicks into place. Ensure the water collection tank is securely attached to the squeegee head.
- For Wet/Dry Vacuum: Attach the desired nozzle (e.g., crevice nozzle, scrub brush) directly to the main unit's suction inlet.
- For Air Blower: Attach the exhaust nozzle to the exhaust port on the main unit.

Figure 5.1: Assembly of the detachable water tank for the window vacuum function.
6. Operating Instructions
6.1 Power On/Off
Press the power button located on the main unit to turn the device on. Press it again to turn it off. The device has one power level.
6.2 Using the Window Vacuum Squeegee
- Ensure the squeegee head and water collection tank are securely attached.
- Using the provided watering can (spray bottle), spray your cleaning solution onto the window or smooth surface.
- Turn on the device.
- Place the squeegee blade against the wet surface and draw it downwards in a straight, even motion. The device will vacuum up the dirty water, leaving a streak-free finish.
- Empty the dirty water tank when it reaches the MAX level.

Figure 6.1: Using the MDK window vacuum squeegee on a shower door.

Figure 6.2: Achieving streak-free results on a car windshield.
6.3 Using as a Wet/Dry Vacuum
Attach the appropriate nozzle (crevice nozzle for tight spaces, scrub brush for agitation) to the main unit's suction inlet.
- For Dry Vacuuming: Use the device to pick up crumbs, dust, pet hair, or other small dry debris from various surfaces like keyboards, car interiors, or tabletops.
- For Wet Vacuuming: The device can pick up small spills of liquid. Ensure the collection tank is not overfilled.


Figure 6.3: Examples of dry vacuuming on a keyboard and tabletop.
6.4 Using as an Air Blower
Attach the exhaust nozzle to the exhaust port. The device can be used to inflate small items or to blow dust from hard-to-reach areas.


Figure 6.4: Examples of air blower function for inflation and vacuum sealing.
7. Maintenance and Cleaning
Regular maintenance ensures optimal performance and extends the lifespan of your MDK cleaning system.
7.1 Emptying and Cleaning the Collection Tank
- Turn off the device.
- Detach the collection tank from the main unit or squeegee head.
- Carefully empty the collected dirty water or debris into a drain or waste bin.
- Rinse the collection tank with clean water. Allow it to air dry completely before reattaching.
7.2 Cleaning the Filter
- Locate the filter inside the collection tank.
- Remove the filter and tap it gently to dislodge any dry debris.
- If necessary, rinse the filter under running water. Ensure it is completely dry before reinserting it into the device. Do not use the device with a wet filter.
7.3 Cleaning Accessories
Wipe down all nozzles and attachments with a damp cloth. For stubborn dirt, use mild soap and water, then rinse thoroughly and allow to air dry.
7.4 Storage
Store the device and its accessories in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Troubleshooting
If you encounter any issues with your MDK cleaning system, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Battery is depleted Power button malfunction | Charge the device fully Contact customer support |
| Weak suction power | Collection tank is full Filter is clogged Nozzle/squeegee head not properly attached Obstruction in suction path | Empty the collection tank Clean or replace the filter Reattach the nozzle/squeegee head securely Check for and remove any blockages |
| Water leaking from device | Collection tank overfilled Tank or seal not properly seated Damage to tank or seals | Do not overfill the collection tank Ensure the tank and seals are correctly installed Inspect for cracks or damage; contact customer support if found |
| Streaks left on windows | Squeegee blade is dirty or worn Insufficient cleaning solution Improper squeegee technique | Clean the squeegee blade; replace if worn Ensure adequate cleaning solution is applied Use consistent, overlapping strokes |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | MDK |
| Model Number | AA107 |
| Included Components | Window vacuum squeegee, air blower, wet/dry vacuum, crevice nozzle, scrub brush |
| Cordless | Yes |
| Form Factor | Handheld |
| Battery Life | 45 minutes |
| Motor Horsepower | 0.278 horsepower |
| Portable | Yes |
| Number of Power Levels | 1 |
| Product Dimensions | 5 x 2.5 x 2 inches |
| Item Weight | 2.09 pounds |
10. Warranty and Customer Support
MDK products are manufactured to high-quality standards. For warranty information, technical support, or any questions regarding your product, please refer to the contact information provided on your purchase receipt or visit the official MDK website. Please have your model number (AA107) ready when contacting support.