Qualilux ST19 Dusk-to-Dawn LED Edison Bulbs, Vintage Amber Glass 2-Pack, 2300K 700LM E26

Qualilux Dusk to Dawn ST19 LED Edison bulbs are amber-glass, light-sensing LED filament lamps that automatically turn on at dusk and off at dawn to provide warm 2300K vintage illumination for outdoor fixtures.

These ST19-shaped bulbs combine vintage amber glass with efficient LED filament technology and an integrated photocell sensor so you can leave the wall switch on and let the bulbs manage themselves. Each 6.5W lamp delivers about 700 lumens—roughly equivalent to a 60W incandescent—while the built-in smart driver reduces power draw overnight. The bulbs fit standard E26 sockets and are sold as a 2-pack.

How does the dusk-to-dawn sensor work with typical outdoor fixtures?

The bulbs include an internal photocell that detects ambient light and triggers automatic on/off cycles without additional wiring or apps. Keep the power to the fixture switched on and the sensor will illuminate the bulb at low light and turn it off when daylight returns. Note: the photocell is designed for exterior, well-lit environments and may not perform as expected inside permanently dark enclosures.

• Auto-on at dusk and auto-off at dawn — no manual controls required.
• Ideal for porches, driveways, patios, and front-entry fixtures.
• May stay on in daytime if fixture is in a very dark location.

What kind of light and atmosphere do these amber ST19 bulbs produce?

With a color temperature of 2300K and amber-tinted glass, these bulbs cast a soft, warm glow that emphasizes comfort over bright task lighting. The LED filaments give a vintage Edison look while reducing glare compared with clear bulbs. They’re excellent where ambiance and curb appeal matter—think cozy porch light, warm garage entry, or decorative outdoor sconces.

• 2300K amber warm light for cozy, low-glare illumination.
• Vintage filament aesthetic with brown/amber glass for style.
• 700 lumens output — balanced for decorative and pathway lighting.

How energy-efficient and reliable are these Qualilux bulbs?

Each bulb uses 6.5W while delivering illumination comparable to a 60W incandescent, which means substantial energy savings. Qualilux also integrates a smart driver that automatically reduces energy consumption by about 50% after six hours of operation to lower overnight waste. The product includes a 3-year warranty covering premature failures.

• 6.5W LED equals roughly 60W incandescent brightness (approx. 700 lumens).
• Automatic power reduction after six hours to save additional energy.
• 3-year warranty and customer support for early defects.

Can these bulbs be used with frosted shades and multiple fixtures close together?

Yes—Qualilux’s sensing technology is designed to work well inside frosted shades and allows for close placement of multiple bulbs without interference. This makes them suitable for clustered fixtures and enclosed porch lanterns, provided the enclosure is not completely light-blocking. Compatibility notes caution that this close-arrangement feature applies only to Qualilux dusk-to-dawn bulbs, not to other brands.

• Supports use in frosted shades and semi-enclosed fixtures.
• Engineered for adjacent-bulb arrangements without sensor conflict.
• Close-placement function specific to Qualilux dusk-to-dawn bulbs.

Who is this for? Homeowners and renters seeking low-maintenance outdoor lighting with a vintage look will appreciate these bulbs—the Qualilux ST19 amber LED filaments suit porches, entryways, patios, garages, and decorative exterior fixtures. They’re aimed at buyers who want automatic dusk-to-dawn operation, warm amber ambiance, and energy-conscious performance with a straightforward installation in standard E26 sockets. If you need dimming, a cooler color temperature, or indoor-only lighting, consider other options.