Product Description

The 40W E27 Screw Bulb (B40S) is a traditional incandescent or equivalent LED light bulb with an Edison Screw (ES/E27) base, designed for general-purpose lighting. Available in clear or frosted finishes, it provides warm, ambient light suitable for home, office, or decorative fixtures. The incandescent version offers a classic glow, while modern LED equivalents deliver energy efficiency and longer lifespan, making it ideal for lamps, ceiling fixtures, or chandeliers.

Product Attributes

• Material: Glass (bulb), aluminum or brass (E27 screw base)
• Dimensions: Approx. 2.4 x 4.3 inches (6 x 11 cm, standard GLS or A60 shape)
• Weight: Approx. 30–50g (incandescent), 20–40g (LED)
• Features:
  • 40W incandescent or 4.2–5.5W LED equivalent (470–500 lumens)
  • E27 Edison Screw base, fits standard screw-in fixtures
  • Warm white light (2700–3000K) for cozy ambiance
  • Incandescent: ~1000-hour lifespan; LED: up to 15,000–35,000 hours
  • Non-dimmable (incandescent) or dimmable (select LED models)
• Accessories: None
• Color: Clear or frosted glass
• Wattage: 40W (incandescent) or 4.2–5.5W (LED equivalent)

Best Uses

• General lighting in living rooms, bedrooms, or dining areas
• Decorative use in vintage or exposed-bulb fixtures
• Gifting for homeowners upgrading to energy-efficient LED options