daylight replacement bulb offers 6500K daylight light with a 4 pin connection and 2G7 base; the average life hours for a CFL bulb is 50,000 hours which makes this a more cost-effective, energy-saving bulb option. The white bulb measures 155mm x 36mm x 20mm and comes produces daylight light with 13 wattage.Product Details Daylight Replacement Bulb6500K Light TemperatureEnergy Class Glass CFL Bulb4 Pins & 2G7 BaseDaylight Light50,000 Hours Average13 WattsMeasures 155mm x 36mm x 20mmWeight 443g Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 48 hours Hope you have a pleasant shopping experience!