(2pack) 4.75’’ T4 Type 12W 6400K Circular Bulb Replacement for Magnifier Desk Light,Vanity Magnifying Makeup Mirror,Daylight 6400K Fluorescent Lamp

SO at first I thought the bulbs were defective especially because of some of the other reviews but I used my multimeter to test the bulbs first and they were fine and got continuity I also opened the bulb it has a screw that you can take off on the bottom and everything looked great. So I test my lamp and no power coming through I open it up and sure enough a blown out transistor and a blown out resister I also opened up the bulbs as they have a nice little screw so you can open them up and check for failure and both bulbs were fine. I will be ordering a new magnifying lamp and keeping these as spares but I figured I would leave this for anyone who might have the same issue.

After finally getting the right size and the right connection, it works in my lamp wonderfully

fitting if good for my desk lamp

These circular fluorescent circle lamps are a close fit for most desk magnifier lamps. I found it necessary to adjust the metal clips in mine so they held the lamp more securely. They are quite bright, putting out light, which, at 6400K is very white - that makes it easier to accurately see colors, and color differences. This two-pack is a good value. Most listings for single bulbs cost almost as much as this pack. Note that you CANNOT rotate the part with the pin connectors or the lamp will be damaged. Be careful when installing these lamps.

The product (both bulbs) was twisted and did not work. It was obviously a manufacturing defect and had already been returned at least once as the packaging tape had been pulled off. I am very disappointed that Amazon would send out known defective merchandise. Shame on you.

be careful and check measurements as there are many similar bulbs, mine fit perfectly

They don't last very long

Great price, and so glad I found them on Amazon because very hard to find locally. I'll buy more eventually to make sure I have enough to last the life of my lamp.

ABSOLUTELY HOPELESS, THE SIZE WAS ALL WRONG AND EVENTUALLY i DITCHED THE WHOLE SETUP.

Very pleased with this product I was disappointed when my original lamp needed a new bulb and yet these two fit perfectly

Before you order check size you need as they come 2 sizes. These are small size and did not fit in my lamp. Contacted seller and refund was given, very good customer service. I didn't know that there is 2 sizes but after receiving them I started looking for information and now I know that there is 2 sizes for them. Before to put bad comments to seller please recheck what size you need.

All good. The product came on time and was securely packaged in a box covered with bubble wrap and then in a bigger bubble wrapped envelope. Excellent service !!!!

Light work, but it doesn't connect completely with receptacle, I pushed it the more I could in the socket and it work, shipping was really fast