Introduction
Thank you for choosing the DEWENWILS Plug-in Dimmer Switch. This device allows you to easily adjust the brightness of your lamps, creating the desired ambiance in any room. It is compatible with dimmable LED/CFL bulbs up to 100W and incandescent bulbs up to 300W. Please read this manual carefully before installation and use to ensure safe and optimal operation.
Safety Information
- For indoor use only. Do not expose to water or damp conditions.
- Ensure the total wattage of connected bulbs does not exceed the dimmer's maximum capacity (100W for dimmable LED/CFL, 300W for incandescent).
- Only use with dimmable bulbs. Non-dimmable bulbs may flicker or be damaged.
- Do not disassemble or modify the dimmer switch.
- Keep out of reach of children.
- Unplug the dimmer from the wall outlet before connecting or disconnecting any lamp.
Product Features
- Compatibility: Works with dimmable LED/CFL bulbs (up to 100W) and incandescent bulbs (up to 300W).
- Full Range Dimming: Smooth slide control for stepless brightness adjustment from 0% to 100%.
- Easy Installation: Plug-and-play design requires no wiring.
- Extension Cord: Features a 5-foot control cable for convenient placement.
- Durable Construction: Made from plastic material.
Package Contents
- 1 x DEWENWILS Plug-in Dimmer Switch (Model J-45B)
Setup
- Ensure the dimmer switch is in the "OFF" position by sliding the control all the way down.
- Plug your lamp's power cord into the receptacle on the DEWENWILS dimmer switch.
- Plug the dimmer switch's power plug into a standard 120V AC wall outlet.

Figure 1: Components of the DEWENWILS Plug-in Dimmer Switch. This image illustrates the lamp plug, the wall socket plug, the 5-foot control cable, and the stepless adjustment knob on the dimmer unit.

Figure 2: The dimmer switch connected to a lamp and a wall outlet. The lamp's cord plugs into the dimmer, and the dimmer then plugs into the wall.
Operating Instructions
To operate the dimmer switch:
- Once connected, slide the control knob upwards to turn on the light and gradually increase brightness.
- Slide the control knob downwards to gradually dim the light.
- Slide the control knob all the way down to the "OFF" position to turn off the light completely.

Figure 3: Demonstrating the stepless dimming function. A hand slides the control to adjust the light from off (0%) to full brightness (100%).

Figure 4: User operating the dimmer switch. The 5-foot cable allows for convenient placement of the control unit.
Compatibility
This dimmer switch is designed for use with specific bulb types and wattages:
- Dimmable LED/CFL Bulbs: Up to 100 Watts. Ensure your LED or CFL bulbs are explicitly labeled as "dimmable".
- Incandescent Bulbs: Up to 300 Watts.
Important: Do not use with non-dimmable LED/CFL bulbs, smart bulbs, or other non-compatible lighting. Using incompatible bulbs may cause flickering, damage to the bulb or dimmer, or improper operation.

Figure 5: Bulb compatibility chart. This dimmer supports dimmable LED/CFL bulbs up to 100W and incandescent bulbs up to 300W.
Maintenance
The DEWENWILS Plug-in Dimmer Switch requires minimal maintenance.
- To clean, unplug the dimmer from the wall outlet and wipe with a dry, soft cloth.
- Do not use liquid cleaners or abrasive materials.
- Ensure the dimmer is completely dry before plugging it back into a power source.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on or dim. |
|
|
| Light flickers or buzzes. |
|
|
| Dimmer gets warm. | Normal operation. | A slight warmth during operation is normal. If it becomes excessively hot, unplug immediately and contact support. |
Specifications
| Model Number | J-45B |
| Input Voltage | 110 - 120V AC |
| Max Wattage (Dimmable LED/CFL) | 100W |
| Max Wattage (Incandescent) | 300W |
| Current Rating | 2 Amps |
| Cord Length | 5 feet (approx. 1.5 meters) |
| Dimensions (L x W x H) | 4.72 x 3.15 x 2.44 inches |
| Material | Plastic |
| Operation Mode | Off / Dimming |
| Usage | Indoor use only |
Warranty and Support
This DEWENWILS product comes with a 1-Year Warranty from the date of purchase.
For technical support, warranty claims, or any questions regarding your product, please contact DEWENWILS customer service. Refer to the contact information provided on the product packaging or the official DEWENWILS website.





