How long does it take to heat up and generate heat? Looking to put on motion light for an open dog kennel.

It heats up right away. But we use it in our garage where we have a dog house for her. I don't know how well it would work in an open space.

What is the frequency emitted? Is this actual infrared or just red glass?

I didn’t see a uv frequency chart for this bulb, but you may be able to compare it to another light with the same lens color. I would imagine it’s somewhere between 625 and 675. I hope that helps.

I don’t believe so. It has no labeling on the box or bulb. I would think not

Are these dimmable if I add a dimmer switch to my dome fixture?

I do not know since the place where they are in use does not have a dimmer switch. I can not find any place where it's stated that they are dimmable.

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KOR 250W R40 Clear Incandescent Heat Lamp Bulbs, E26 Medium Base, 2-Pack | Infrared 120V Reflector Flood Design, 2,000-hour Rated Life, For Food Warmers, Chicken Coops, Livestock and Reptiles

Product ID: 207446011

Details

Brand
KOR
Bulb Shape Size
R40
Light Type
Incandescent
Special Feature
Long Lasting
Wattage
250 watts

⏳2,000 hours long-lasting warmth

💡E26 standard medium screw base

🔥250W powerful heat output

217.69 DT

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Description

🔥 Turn up the heat and never miss a cozy moment!

BUILT TO LAST - 2,000 hours of reliable heat means fewer replacements and more peace of mind.
DOUBLE THE COZY POWER - Two bulbs in one pack to keep your space and pets perfectly warm.
INSTANT HEAT ZERO WAIT - Feel the comforting infrared warmth flood your room or coop in seconds.
PLUG PLAY CONVENIENCE - Standard E26 base and 120V compatibility for easy, universal installation.
VERSATILE WARMTH FOR ALL - Ideal for food warming, pet care, spa therapy, and even chilly bathrooms.

The KOR 250 Watt R40 Clear Heat Lamp is a high-performance incandescent reflector bulb designed for efficient infrared heating. With a standard E26 medium screw base and 120V compatibility, it delivers powerful 250W heat output and long-lasting performance rated at 2,000 hours. Perfect for warming food, livestock, reptiles, or personal spaces, this 2-pack offers versatile, instant warmth with minimal maintenance.

Specifications

ASIN	B088ZMGRTV
Accepted Voltage Frequency	100 to 120 Volts and 60 Hertz
Additional Features	Long Lasting
Best Sellers Rank	#8,190 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #86 in Incandescent Bulbs
Brand Name	KOR
Bulb Base	E26
Bulb Shape Size	R40
Color	Clear
Color Rendering Index	80
Connectivity Technology	Infrared
Control Method	App
Controller Type	Push Button
Customer Reviews	4.5 4.5 out of 5 stars (3,146)
Incandescent Equivalent Wattage	250 watts
Indoor Outdoor Usage	Indoor
Item Dimensions W x H	5"W x 6.5"H
Item Weight	11.36 ounces
Light Color	clear
Light Source Operating Life	6000 hours
Light Source Type	Incandescent
Light Source Wattage	250 watts
Light Type	Incandescent
Manufacturer	KOR
Manufacturer Part Number	K22546
Material Type	copper
Model Number	K22546
Number of Items	2
Package Quantity	1
Power Consumption	250 watts
Power Source	Corded Electric
Shape	Reflector(R)
Specific Uses For Product	Lamp
Style Name	Pack of 2-CLEAR-Heat Lamps
Theme	Animal Care, Home Heating
UPC	817300022546
Unit Count	2 Count
Voltage	120 volts
Wattage	250 watts
White Brightness	100 lumens

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217.69 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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