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💡 Illuminate smarter, work brighter — don’t get left in the dark!
The Technical Precision 12W Circline Replacement bulb offers a 6-inch T4 circular fluorescent design with a daylight 6400K color temperature, delivering full-spectrum, energy-efficient lighting. Engineered for durability with a lifespan 10 times longer than regular bulbs, it fits G10Q base UN1040 lamps and features dimmable app control for customizable brightness. Ideal for professionals seeking reliable, crisp illumination with a sleek, modern upgrade.










| ASIN | B06ZY64QBW |
| Accepted Voltage Frequency | 100 to 120 Volts and 60 Hertz |
| Additional Features | High Efficiency, Instant On |
| Best Sellers Rank | #327,468 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #311 in Compact Fluorescent Bulbs |
| Brand Name | Technical Precision |
| Bulb Base | Prong |
| Bulb Shape Size | T4 |
| Color Rendering Index | 80 |
| Color Temperature | 6400 Kelvin |
| Connectivity Technology | Normal bulb |
| Control Method | App |
| Controller Type | Push Button |
| Customer Reviews | 4.0 4.0 out of 5 stars (114) |
| Incandescent Equivalent Wattage | 80 Watts |
| Included Components | Replacement Part |
| Item Dimensions W x H | 4.75"W x 4.75"H |
| Light Color | multiple |
| Light Source Type | Flourescent tube |
| Light Source Wattage | 12 Watts |
| Light Type | Fluorescent |
| Manufacturer | Technical Precision |
| Manufacturer Warranty Description | 1 year manufacturer. |
| Material Type | Glass |
| Model Name | UN0004 |
| Model Number | UN0004 |
| Number of Items | 1 |
| Package Quantity | 1 |
| Power Consumption | 12 Watts |
| Power Source | ac |
| Shape | t4 |
| Specific Uses For Product | Air Conditioner, Furnace |
| Unit Count | 1.0 Count |
| Wattage | 12 watts |
M**N
It works
it works
D**S
Perfect
I looked for this light bulb everywhere and couldn't find one until I looked here ,perfect fit and nice and bright, thank you
R**0
First one blew out instantly!
The second seems fine... but I dont trust it. The connector is VERY flimsy/weak. Its not exactly inexpensive for what it is. Order with caution. Someone, probably related to the seller tried to mark this review as offensive. Wow! Lowering to 1 star. Going to report product to Amazon.
C**L
Fits perfect
This bulb is a great replacement, fits perfect, good colour and arrived quickly.
G**E
Product wrong size
The light fixture is too small ,I thought that light would be a standard size for this lamp but I am sure the light is ok to use so I give a good rating ,not yur fault. Greg h.
G**O
I should have got a brighter one. B
Not as bright as I thought. But that’s my fault.
A**R
Fits and works
Arrived on time, fits and works like the last one. Happy with purchase.
B**Y
It's not like the original but works
It's a little bit more little than the original version but works like the original... it's good for resolve the problem in my wife's round mirror ...😍
0**5
It fits and work but has some warping on it and is much much weaker then my old bulb of the same specs..
Trustpilot
1 month ago
1 week ago