Only for ceiling fan?

I have several light fixtures that use this bulb, not just ceiling fans.

Is warm light or daylight be better for a dark bedrooms?

It is strictly a personal preference. Things look differently under both of those lights. Warm white has more of a reddish/orangish light whereas daylight is more on a "colder" looking side.

what is the size of the light bulb? B8? B9?

Thank you for your question, the bulb model is B11.

Why is there no brand name displayed on these bulbs!? Strange! Are these fake? Are these safe to use?

This product comes with a Transparency bar code, which you can scan to verify the product is genuine. I received mine without branding on the side of the bulbs, so I think the lack of the manufacturer name is normal - it likely just indicates it's made in a shared factory with other light bulb brands.

Brand	comzler
Light Type	LED
Special Feature	High Energy Efficiency, Long Lifespan, High Brightness, High Color Rendering Index
Wattage	5 watts
Bulb Shape Size	B11
Bulb Base	E12
Incandescent Equivalent Wattage	60 Watts
Specific Uses For Product	home lighting
Light Color	5000K Daylight
Voltage	120 Volts (AC)
Unit Count	6.0 Count
Color Temperature	5000 Kelvin
Number of Items	1
Brightness	500 Lumen
Shape	Type B Shape
Material	lead
Indoor/Outdoor Usage	Indoor
Power Source	AC
Color Rendering Index	85.00
Power Consumption	5 Watts
Light Source Type	LED
Specification Met	CE, FCC, RoHS
Light Source Wattage	5 Watts
Product Dimensions	1.45"W x 4.05"H
Accepted voltage frequency	100 to 240 Volts and 50 Hertz to 60 Hertz
Bulb Diameter	1.45 Inches
Control Method	App
Average Life	30000 Hours
Efficiency	High
Manufacturer	comzler
Part Number	CZC37-5000K
Item Weight	5.6 ounces
Item model number	C37-5000K
Is Discontinued By Manufacturer	No
Color	5000k Daylight
Finish types	Clear
Special Features	High Energy Efficiency, Long Lifespan, High Brightness, High Color Rendering Index
Light Direction	Up & Downlight
Batteries Included?	No
Batteries Required?	No
Wattage	5 Watts
Bulb Features	🍂E12 Base LED Bulb</br>🍂Eye-friendly</br>🍂Saving 90% on your energy bills</br>🍂5000K Bright Daylight</br>🍂60 Watt Equivalent</br>🍂Instant On</br>🍂High CRI 85+ brings out vivid natural colors</br>🍂Shock and vibration resistant</br>🍂Less heat output</br>🍂Long Lifespan</br>🍂No flicker or buzzing</br>🍂Not Dimmablendex(85+)</br>📣Instant On</br>📣No Flicker&No Buzzing</br>📣Non-Dimmable</br>📣3 Years Service

comzler E12 Ceiling Fan Light Bulbs, LED Candelabra Bulbs, 5 Watt (60 Watt Equivalent), Daylight 5000K LED Chandelier Light Bulbs, Candle Bulb Small Base for Chandelier, Non-Dimmable (6 Pack)

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