1. Product Overview
The SZPOWER SZD1503 150W LED Flood Light is designed for outdoor illumination, providing high brightness and adjustable lighting for various exterior spaces. This fixture features three adjustable heads, ensuring wide coverage and efficient light distribution. It is built with an IP65 waterproof rating for durability in diverse weather conditions and incorporates an efficient cooling system for extended lifespan.
Key Features:
- High Brightness: 150W power with 154 LED beads, producing up to 15000 lumens.
- Adjustable Lighting: Three independently adjustable light heads for flexible illumination angles.
- Weatherproof Design: IP65 waterproof and dust-proof rating for reliable outdoor performance.
- Efficient Heat Dissipation: Constructed with die-cast aluminum for optimal cooling and longevity.
- Easy Installation: Designed for straightforward hardwired installation with included accessories.

Image: The SZPOWER 150W LED Flood Light provides bright illumination for a house and its surroundings at night.
Video: An overview of the SZPOWER 150W LED Flood Light's features, including brightness, coverage, and installation examples.
2. Safety Information
Please read all safety instructions carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Electrical Safety: Always turn off power at the circuit breaker before installing or servicing the fixture. Ensure all wiring connections are secure and comply with local electrical codes.
- Qualified Electrician: If you are unsure about electrical wiring, consult a qualified electrician.
- Grounding: Ensure the fixture is properly grounded to prevent electric shock.
- Operating Voltage: This fixture operates on 120 Volts. Do not connect to any other voltage.
- Fixture Integrity: Do not modify the fixture. Any modifications may void the warranty and create safety hazards.
- Heat: The LED light heads can become warm during operation. Avoid touching them directly when the light is on.
- Eye Protection: Do not stare directly into the LED light source when illuminated, as it can cause eye strain or damage.
3. What's in the Box
Verify that all components are present before beginning installation:
- 150W LED Flood Light Fixture (2 units for 2-pack)
- LED Lens
- LED Reflector
- Mounting Hardware (screws, wire nuts, gasket)
- Instruction Manual
4. Specifications
| Brand | SZPOWER |
| Model Number | SZD1503 |
| Wattage | 150 Watts |
| Brightness | 15000 Lumens |
| Efficiency | 100 lumens per watt |
| Light Source | LED (154 count) |
| Color Temperature | 6500K (White Light) |
| Voltage | 120 Volts |
| Water Resistance Level | IP65 Waterproof |
| Material | Die-cast Aluminum (Shade), Plastic (Housing) |
| Mounting Type | Wall Mount, Soffit Mount |
| Connectivity Protocol | Hardwired |
| Item Dimensions (L x W x H) | 7.1" x 4.7" x 15.7" |
| Item Weight | 2.55 Kilograms |
5. Installation Instructions
This flood light is designed for hardwired installation. Ensure power is OFF at the circuit breaker before proceeding.
Tools Required:
- Screwdriver (Phillips and Flathead)
- Wire Strippers
- Pliers
- Electrical Tape
- Ladder (if installing at height)
Installation Steps:
- Prepare Wiring: Turn off power at the main circuit breaker. Remove the existing fixture (if any) and expose the junction box wiring.
- Mount Bracket: Attach the mounting bracket to the junction box using the provided screws. Ensure it is securely fastened.
- Connect Wires: Connect the flood light's wires to your household wiring:
- Connect the black wire (Live) from the fixture to the black wire (Live) from the junction box using a wire nut.
- Connect the white wire (Neutral) from the fixture to the white wire (Neutral) from the junction box using a wire nut.
- Connect the green or bare copper wire (Ground) from the fixture to the green or bare copper wire (Ground) from the junction box using a wire nut.
- Attach Fixture: Carefully align the flood light fixture with the mounting bracket and secure it with the central screw. Ensure the gasket is properly seated to maintain the waterproof seal.
- Adjust Light Heads: Once the fixture is securely mounted, adjust the three light heads to your desired angles.
- Restore Power: Turn on the power at the circuit breaker and test the light.

Image: Step-by-step diagram illustrating the hardwired installation process, including wire connections.

Image: Visual examples of the flood light installed on a wall and mounted under a soffit.
6. Operating Instructions
The SZPOWER SZD1503 flood light is designed for simple switch control.
Turning On/Off:
- Connect the flood light to a standard wall switch.
- Flip the wall switch to the 'ON' position to illuminate the flood light.
- Flip the wall switch to the 'OFF' position to turn off the flood light.
Adjusting Light Heads:
- The three light heads can be manually adjusted to direct light where needed.
- Gently pivot each light head to achieve the desired illumination angle.
- The heads offer a wide range of motion for comprehensive coverage.

Image: Illustration detailing the 90-degree and 135-degree adjustable angles of the flood light heads.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your flood light.
- Cleaning: Periodically clean the light heads and housing with a soft, damp cloth. Do not use abrasive cleaners or solvents, as they may damage the finish or lens.
- Inspection: Annually inspect the wiring and mounting for any signs of wear, damage, or loosening. Ensure all connections remain secure.
- No User-Serviceable Parts: The LED light source is integrated and not user-replaceable. Do not attempt to open the sealed light heads.
8. Troubleshooting
If you encounter issues with your flood light, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on | No power supply Loose wiring connection Faulty switch | Check circuit breaker and wall switch. Ensure power is on. Verify all wire connections are secure (with power off). Test the switch or replace if necessary. |
| Light flickers | Loose wiring Unstable power supply | Check all wiring connections (with power off). Consult an electrician to check household power supply. |
| Reduced brightness | Dirt or debris on lens Aging LEDs (over very long term) | Clean the lens with a soft, damp cloth. LEDs have a long lifespan; significant reduction in brightness is rare. |
If the problem persists after attempting these solutions, please contact customer support.
9. Warranty and Support
Manufacturer Warranty:
This SZPOWER flood light is covered by a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by improper installation, accident, misuse, abuse, or unauthorized modifications.
Customer Support:
For technical assistance, warranty claims, or any questions regarding your SZPOWER product, please contact our customer support team. Refer to the contact information provided with your purchase or visit the official SZPOWER website for support details.
Please have your model number (SZD1503) and proof of purchase ready when contacting support.