1. Introduction
This instruction manual provides essential information for the safe and effective use of your Sylvania 78785 LED PAR20 Dimmable Flood Light Bulb. This LED bulb is designed for general illumination, offering energy efficiency and a long lifespan. Please read this manual thoroughly before installation and retain it for future reference.
2. Safety Information
To ensure safe operation, please observe the following precautions:
- Risk of Electric Shock: Always turn off power to the fixture at the circuit breaker or fuse box before installing or removing the bulb.
- Risk of Burns: Allow the bulb to cool completely before handling.
- Not for Enclosed Fixtures: This bulb may not be suitable for use in fully enclosed luminaires. Refer to fixture instructions or consult a qualified electrician.
- Dimmer Compatibility: This bulb is dimmable. Ensure your dimmer switch is compatible with LED technology for optimal performance and to prevent damage.
- Indoor Use Only: This product is intended for indoor use in dry locations unless otherwise specified by the fixture.
- Disposal: Dispose of LED bulbs according to local regulations. Do not dispose of with general household waste.
3. Product Overview
The Sylvania 78785 is a PAR20 shaped LED flood light bulb, designed to provide focused illumination. It features a standard E26 medium screw base for easy installation into most common light fixtures.

Image Description: This image displays three Sylvania PAR-style LED light bulbs. From left to right, they are a PAR20, PAR30, and PAR38 bulb. The Sylvania 78785 is a PAR20 bulb, which is the smallest of the three shown, featuring a compact reflector shape and a standard E26 screw base.
4. Installation
- Power Off: Ensure the power supply to the light fixture is turned off at the circuit breaker or wall switch before beginning installation.
- Remove Old Bulb: Carefully unscrew the existing bulb from the fixture. Allow it to cool if it was recently in use.
- Install New Bulb: Gently screw the Sylvania 78785 LED PAR20 bulb into the E26 medium screw base socket until it is finger-tight. Do not overtighten.
- Restore Power: Turn the power supply back on at the circuit breaker or wall switch.
- Test: Turn on the light switch to confirm the bulb is functioning correctly.
5. Operation
The Sylvania 78785 LED PAR20 bulb operates like a standard light bulb. Simply use the wall switch connected to the fixture to turn the light on or off.
Dimming Functionality
This bulb is dimmable. If connected to a compatible LED dimmer switch, you can adjust the light output to your desired level. Refer to your dimmer switch's instructions for specific operation details.
6. Maintenance
LED bulbs require minimal maintenance due to their long lifespan.
- Cleaning: Ensure the power is off and the bulb is cool before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Replacement: When the bulb reaches the end of its operational life, follow the installation steps in Section 4 to replace it with a new, compatible LED bulb.
7. Troubleshooting
If you encounter issues with your Sylvania LED bulb, consider the following:
- Bulb Not Lighting:
- Check if the power switch is on.
- Ensure the bulb is screwed in securely.
- Verify that the circuit breaker has not tripped.
- Test the bulb in another working fixture to rule out a faulty fixture.
- Flickering:
- Ensure your dimmer switch is compatible with LED bulbs. Incompatible dimmers can cause flickering.
- Check for loose connections in the fixture or wiring.
- Reduced Brightness:
- If using a dimmer, ensure it is set to the maximum brightness level.
- Verify the bulb is not in an enclosed fixture that could cause overheating and premature lumen depreciation.
8. Specifications
| Brand | SYLVANIA |
| Model Number | 78785 |
| Light Type | LED |
| Special Feature | Dimmable |
| Wattage | 7 watts |
| Bulb Shape Size | PAR20 |
| Bulb Base | E26 (Medium Screw) |
| Incandescent Equivalent Wattage | 40 Watts |
| Light Color | White |
| Voltage | 120 Volts |
| Color Temperature | 3000 Kelvin |
| Color Rendering Index (CRI) | 82 |
| Material | Copper |
9. Support
For further assistance, technical support, or warranty inquiries regarding your Sylvania product, please visit the official SYLVANIA website or contact their customer service department. Contact information can typically be found on the product packaging or the manufacturer's website.







