1. Introduction
Thank you for choosing Lepro Dusk to Dawn Light Bulbs. These LED bulbs are designed for convenience and energy efficiency, featuring integrated photocell sensors that automatically control illumination based on ambient light levels. This manual provides essential information for the safe and effective use of your new bulbs.
2. Product Features
- Automatic On/Off: Equipped with two photocell light sensors, these bulbs automatically turn on at dusk (brightness < 15 lux) and turn off at dawn (brightness > 65 lux).
- Long Lifespan: Each LED bulb provides an estimated lifespan of 15,000 hours, reducing the frequency and cost of replacements.
- Energy Saving: Replaces traditional 60-watt incandescent bulbs with only 9 watts of LED power, offering significant energy savings.
- Bright Illumination: Delivers 806 lumens of bright, Daylight White light (5000 Kelvin).
- Easy Installation: Designed with a standard E26 medium screw base, compatible with most outdoor light fixtures.
- Non-Dimmable: These bulbs are not compatible with dimmer switches.
Image: Two Lepro A19 E26 LED bulbs with integrated light sensors.
Image: Illustration of the bulb's automatic dusk-to-dawn functionality based on ambient light levels.
3. Setup and Installation
These bulbs are designed for simple installation into compatible fixtures. Follow these steps:
- Power Off: Before installation, ensure the power to the light fixture is turned off at the circuit breaker to prevent electrical shock.
- Remove Old Bulb: Carefully unscrew and remove the existing bulb from the fixture.
- Install New Bulb: Screw the Lepro Dusk to Dawn LED bulb into the E26 medium screw base socket until it is snug. Do not overtighten.
- Restore Power: Turn the power back on at the circuit breaker.
- Sensor Placement: For optimal performance, ensure the bulb's light sensor is not obstructed by the fixture housing or other objects. The sensor needs direct exposure to ambient light to function correctly. Avoid installing in fixtures that are fully enclosed or have opaque covers that block light from reaching the sensor.
Image: Example of automatic outdoor lighting on a porch, no timer needed.
4. Operation
The Lepro Dusk to Dawn Light Bulbs operate automatically using integrated photocell sensors. Once installed and powered, the bulbs will:
- Turn On: When the ambient light level drops below approximately 15 lux (typically at dusk), the bulbs will automatically illuminate.
- Turn Off: When the ambient light level rises above approximately 65 lux (typically at dawn), the bulbs will automatically switch off.
No manual intervention or external timers are required for their basic operation. Ensure the sensor is not exposed to direct artificial light sources at night, as this may cause the bulb to turn off prematurely.
Image: Various outdoor applications for Lepro Dusk to Dawn bulbs.
5. Maintenance
These LED bulbs require minimal maintenance. Follow these guidelines:
- Cleaning: Ensure the power is off before cleaning. Gently wipe the bulb with a soft, dry cloth to remove dust or debris. Do not use liquid cleaners or abrasive materials.
- Replacement: Due to their long lifespan, frequent replacement is not expected. When replacement is necessary, follow the installation steps outlined in Section 3.
- No User-Serviceable Parts: Do not attempt to disassemble or repair the bulb. Doing so will void any warranty and may pose a safety risk.
6. Troubleshooting
If you encounter issues with your Lepro Dusk to Dawn Light Bulbs, refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not turn on at dusk. | 1. Power is off. 2. Sensor is obstructed or receiving too much light. 3. Bulb is faulty. | 1. Check circuit breaker and light switch. 2. Ensure sensor is clear and not exposed to other light sources (e.g., streetlights, other fixtures). 3. Replace the bulb. |
| Bulb does not turn off at dawn. | 1. Sensor is obstructed or not receiving enough light. 2. Bulb is faulty. | 1. Ensure sensor is clear and exposed to sufficient daylight. 2. Replace the bulb. |
| Bulb flickers or cycles on/off. | 1. Sensor interference from other light sources. 2. Unstable power supply. 3. Bulb is faulty. | 1. Relocate the bulb or adjust fixture to minimize interference. 2. Consult an electrician if power supply is suspected. 3. Replace the bulb. |
| Bulb is not as bright as expected. | 1. Incorrect bulb type. 2. Power issue. | 1. Verify the bulb is the correct wattage and lumen output. 2. Ensure stable power supply. |
7. Specifications
| Specification | Detail |
|---|---|
| Brand | Lepro |
| Model Number | 100082-DW-US-2 |
| Light Type | LED |
| Special Feature | Auto On/Off, Energy Efficient, Light Sensor |
| Wattage | 9 Watts |
| Incandescent Equivalent | 60 Watts |
| Bulb Shape Size | A19 |
| Bulb Base | E26 Medium Screw Base |
| Brightness | 806 Lumens |
| Light Color | Daylight White |
| Color Temperature | 5000 Kelvin |
| Voltage | 120 Volts (100-120V, 60Hz) |
| Average Life | 15,000 Hours |
| Indoor/Outdoor Usage | Outdoor (Damp-proof) & Indoor |
| Material | Aluminum, Plastic |
| Product Dimensions | 2.36" W x 4.37" H (60mm Diameter x 111mm Height) |
| Certifications | FCC, UL |
Image: Bulb dimensions and energy equivalency (9W LED = 60W Incandescent).
8. Safety Information
Please read and follow all safety instructions to prevent injury or property damage:
- Risk of Electric Shock: Always turn off the power at the circuit breaker before installing, removing, or cleaning the bulb.
- Indoor/Outdoor Use: Suitable for damp locations. Do not expose to direct water spray or submersion.
- Non-Dimmable: Do not use with dimmer switches. Use with dimmer switches may damage the bulb or the dimmer.
- Operating Temperature: Do not use in enclosed fixtures that restrict airflow, as this may shorten the bulb's lifespan.
- Disposal: Dispose of bulbs according to local regulations.
- Not for Emergency Lighting: These bulbs are not intended for use in emergency exit fixtures or emergency lights.
