Sunset Light Bulb 3-Pack - Red, Flicker-Free Ambient Light for Winding Down Before Sleep (USA/CANADA ONLY)

These bulbs block both blue and green light, suitable for bedrooms, bathrooms, and living spaces. They have zero flicker, low EMF, and a 50,000-hour lifespan.

• The description claims that most 'blue light blocking' bulbs only block blue, leaving green light.
• The description claims that the bulbs deliver stable, consistent red-spectrum output at all times.
• The description claims that red-spectrum evening light is what humans evolved under after sunset.