Will this work for 18” inch ring light or no?

I used this lamp on my desk lamp with magnifier. Worked ok . Not sure how you measured the 18 inches. Lamp is approximately 8 inches in diameter.

Does this bulb come with a plug or is it hard wired? i want to use it as an led ring behind my vanity mirror.

It is not an LED, it's a fluorescent bulb. It has a standard four-pin connector that must plug into a receiving fluorescent fixture. If you don't already have the fixture, this bulb isn't going to work for you.

I am using this for photography - not for home installment. How would I "plug in" the light for my purposes? It is unclear in the description/picture!

This bulb is only compatible with a certain type of receptacle. I believe there should be a 2 or 3 hole female plug near the interior of where the bulb would attach (the male attachment is also on the interior of the bulb). Unless you're replacing a similar bulb in a previously existing receptacle, I wouldn't recommend this bulb as it's unlike most other "screw-in" bulbs.

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Sunlite 05021 FC16T9/CW T9 Round Fluorescent Circline Lamp, 40 Watts, 2600 Lumens, 4100K Cool White, RoHS Compliant, G10Q 4-Pin Base, 1 Pack

Sunlite 05021 FC16T9/CW T9 Round Fluorescent Circline Lamp, 40 Watts, 2600 Lumens, 4100K Cool White, RoHS Compliant, G10Q 4-Pin Base, 1 Pack

Product ID: 9079507

Details

Brand
Sunlite
Bulb Shape Size
FC16
Light Type
Fluorescent
Special Feature
16-Inch Size
Wattage
40 watts

⚡40W energy efficient power

💡2600 lumens bright output

🔧G10Q 4-pin easy install

$114.54

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Description

💡 Illuminate smarter, live brighter — don’t get left in the dark!

LONG LASTING GLOW - 10,000 hours of reliable lighting—less replacements, more productivity.
BRILLIANT BRIGHTNESS - 2600 lumens flood your space with crisp, cool white light at 4100K.
ECO CONSCIOUS CHOICE - RoHS compliant to keep your workspace green and guilt-free.
EFFORTLESS INSTALLATION - G10Q 4-pin base designed for quick, hassle-free setup.
POWER MEETS PERFORMANCE - Only 40 watts for brilliant, cost-saving illumination.

The Sunlite 05021 FC16T9/CW is a 16-inch circular fluorescent lamp delivering 2600 lumens of cool white light at 4100K, powered efficiently by 40 watts. Featuring a G10Q 4-pin base for easy installation and a long lifespan of 10,000 hours, this RoHS-compliant lamp is perfect for professional and residential indoor lighting, combining energy savings with consistent, vibrant illumination.

Specifications

ASIN	B009F90JLC
Accepted Voltage Frequency	100 to 120 Volts and 60 Hertz
Additional Features	16-Inch Size, Easy To Install, Energy Efficient, G10Q 4-Pin Base, RoHS Compliant
Best Sellers Rank	#42,811 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #208 in Fluorescent Tubes
Brand Name	Sunlite
Bulb Base	GZ10
Bulb Shape Size	FC16
Color	4100k Cool White
Color Rendering Index	62
Color Temperature	4100 Kelvin
Connectivity Technology	Normal bulb
Control Method	App
Controller Type	Push Button
Customer Reviews	4.5 4.5 out of 5 stars (809)
Efficiency	Efficient
Incandescent Equivalent Wattage	40 Watts
Included Components	Circline Bulb
Indoor Outdoor Usage	Indoor
Item Dimensions W x H	1.13"W x 16"H
Item Type Name	Bulb, 2600 Lumens, G10q 4-Pin Base, 40 Watts (16-Inch),
Item Weight	0.95 Pounds
Light Color	Cool White
Light Output Maximum	2600 Lumens
Light Source Operating Life	10000 Hours
Light Source Type	Linear Fluorescent Lamp
Light Source Wattage	40 Watts
Light Type	Fluorescent
Manufacturer	Sunshine Lighting
Manufacturer Part Number	FC16T9/CW
Manufacturer Warranty Description	See packaging for details.
Material Type	Glass
Model Name	40W 05021 Fluorescent T9 Crcline Ceiling Light
Model Number	FC16T9/CW
Number of Items	1
Package Quantity	1
Power Consumption	40 Watts
Power Source	Corded Electric
Shape	Circular
Specific Uses For Product	Circline Fixtures, Hallways, Indoor Lighting, Kitchen Lighting, Residential and Commercial
Specification Met	RoHS
Style Name	Classic
UPC	653703050218
Unit Count	1.0 Count
Voltage	120 Volts
Wattage	40 watts
White Brightness	2600 Lumens

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$114.54

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

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