Energy Saving: This 4W energy-saving LED bulb is equivalent to a normal 30W incandescent bulb, which means 85% of the electricity bill would be saved Excellent Performance: The excellent color rendering index (CRI > 80) provides vivid and natural color, 280-degree beam angle for wide illumination. The light of cool white 6500K 500LM can make you feel more alert, making it ideal for task lighting in home offices Reliable Quality: An average of 30,000 hours of service. The extremely long lifespan reduces the frequency with which the lamp needs to be replaced. The bulbs are environmentally friendly, lead-free, mercury-free, and free of UV and infrared radiation. Easy to install: The E14 LED bulb is an E14 bayonet socket. Simply push and screw the bulb into the empty socket in seconds. Wide range of applications: Perfect for chandeliers, chandeliers, ceiling fans, pendants, living rooms, restaurants, cafes, hotels, table lamps, etc. If you have any questions, please contact us.