Defiant 180-Degree 1-Head Outdoor Black LED Battery Power Flood Light User Manual
Model: DFI-5939-BK
Brand: Defiant
1. Important Safety Information
Please read and understand all instructions before attempting to assemble, operate, or install the product. Failure to follow these instructions may result in electric shock, fire, or other injuries that could be hazardous or fatal.
- Ensure the mounting surface is sturdy and can support the weight of the light fixture.
- Do not mix old and new batteries. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries.
- Dispose of batteries properly according to local regulations.
- This product is designed for outdoor wall mount applications only.
- Do not look directly into the LED light source when the light is on.
2. Product Overview
The Defiant 180-Degree 1-Head Outdoor Black LED Battery Power Flood Light is a battery-operated motion-activated security light designed for outdoor use. It provides 200 lumens of light output, making it suitable for illuminating sheds, fences, and other outdoor areas without the need for electrical wiring. The integrated LED technology ensures long-lasting performance without bulb replacement.

Figure 2.1: Front view of the Defiant LED Battery Power Flood Light, showcasing its single LED head and motion sensor.
Key Features:
- Battery Powered: No wiring required for installation.
- 200 Lumen Output: Provides bright illumination for outdoor spaces.
- Motion Activated: Automatically turns on when motion is detected.
- Adjustable Settings: Features adjustable on-time, lux level (day/night operation), and motion detection range.
- LED Technology: Integrated LED bulbs eliminate the need for bulb replacement.
- Tool-less Lamp Head Adjustment: Easily adjust the direction of the light.
- Wall Mount Only: Designed specifically for wall installation.
3. Setup and Installation
Installation of the Defiant LED Flood Light is designed to be straightforward, requiring only three easy steps. This light is intended for wall mount applications only.
3.1. Battery Installation
The light requires three (3) "C" batteries (not included). To install the batteries:
- Locate the battery compartment on the back or bottom of the unit.
- Open the battery compartment cover.
- Insert three "C" batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Securely close the battery compartment cover.
3.2. Mounting the Light
Choose a suitable outdoor wall location for mounting. Ensure the area is clear and the motion sensor will have an unobstructed view of the desired detection zone.

Figure 3.1: Product packaging highlighting key features and suggesting easy installation steps.
- Using the mounting holes on the light fixture as a template, mark the desired drill points on the wall.
- Drill pilot holes if necessary, depending on the wall material.
- Secure the light fixture to the wall using appropriate screws and anchors (not included).
4. Operating Instructions
The Defiant LED Flood Light features adjustable settings to customize its operation based on your needs.
4.1. Adjusting Settings
Locate the adjustment dials, typically found on the underside or side of the motion sensor unit. These dials allow you to control:
- On-Time: Adjusts how long the light stays on after motion is detected and stops. The light can be set to stay on for approximately 10 seconds after all motion ceases.
- Lux Level (Day/Night Sensor): Determines the ambient light level at which the motion sensor becomes active. Set to operate only at night, or during both day and night.
- Range: Controls the sensitivity and detection distance of the motion sensor.
4.2. Lamp Head Adjustment
The lamp head can be adjusted without tools. Simply grasp the light head and pivot it to direct the light beam to your desired area.
5. Maintenance
Regular maintenance ensures optimal performance and longevity of your flood light.
5.1. Battery Replacement
When the light output diminishes or the light stops functioning, it is time to replace the batteries. Follow the steps in Section 3.1 for battery installation, ensuring to replace all three "C" batteries with new ones.
5.2. Cleaning
To clean the light fixture, wipe it with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these may damage the finish or electronic components. Ensure the motion sensor lens is clean for optimal detection.
6. Troubleshooting
If your flood light is not operating as expected, refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. |
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| Light stays on continuously. |
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| Light flashes or flickers. |
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7. Specifications
| Attribute | Detail |
|---|---|
| Brand | Defiant |
| Model Number | DFI-5939-BK |
| Light Source Type | LED |
| Brightness | 200 lumens |
| Power Source | Battery Powered (3 "C" batteries, not included) |
| Detection Angle | 180-Degree |
| Installation Type | Wall Mount Only |
| Color | Black |
| Material | Resin |
| Item Weight | 1 Pound |
| UPC | 016963159396 |
8. Warranty and Support
For information regarding product warranty, technical support, or replacement parts, please refer to the manufacturer's official website or contact their customer service department. Contact details are typically provided on the product packaging or the manufacturer's website.
Note: Keep your purchase receipt for warranty claims.





