Not long - ours stopped after 7 months of use - and didn't use it intensively. I wish I had bought a table lamp that uses these hard to find bulbs to start with - wasn't aware at the time. So the first recommendation is not to buy a lamp that uses these bulbs. Second recommendation - try to find a lightbulb that lasts longer, then come back here and let us know which one works!
Bulbrite A19 Solana WiFi Connected LED Alexa Smart Light Bulb, Single-A19, Tunable 2200K-6500K Color Temperature, Frost Finish
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Luminescent lamp Camelion 11066 ultraviolet, E27, 26 W
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Linkind Dimmable A19 LED Light Bulbs, 60W Equivalent, E26 Base, 5000K Daylight, 9.5W 840 Lumens 120V, UL Listed FCC Certified, Pack Of 12
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10 Review
TCP CFL Double Circle Lamp, 200W Equivalent, Bright White (3500K) T6 Circline Bulb
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💡 Philips 230425 Energy Saver Compact Fluorescent Non-Integrated 26W PL-C Soft White 4-Pin Base Bulb - Discover Efficient Lighting Solutions
5 Review