Brightown 5-Watt E12 Base Chandelier Bulb Replacement C37 Torpedo Shape Day Light, White Save electricity bill. Replace 40W traditional bulb by 5W LED. Save over 35% on electricity bill of lighting High brightness and low power consumption Provides over 30,000 hours life span, Easy to Install, Durable, High Performance 110V,Standard American candelabra edison screw E12 base, Eco-Friendly. No lead or mercury. May interfere with some electronic devices such as occupancy sensors, timing devices, photo controls Ideal for illuminating homes, offices, workplaces, Artwork lighting, mood lighting, shop-windows , general lighting, Landscape accent spot lighting, display case accent lighting ect Brightown offer 1 year quality guarantee, please contact us for replacement if you have any quality problem.