what is the wavelength range?

UV Led wavelength range: 395nm - 400nm

can these be used with button type batteries? I'm wanting to solder to a button type battery with a momentary push switch

Use button batteries to drive the LED. If the battery voltage is 3V each, then at least 3 batteries in series are needed to supply the LED. These leds range in voltage from 9V to 13V, and the lower the voltage, the lower the brightness.

Would these work with a ac 110v to dc 12v led driver module, similar to what you can buy on amazon? want to wire into a lamp to illuminate a gauge

It depends on what amperage the driver produces, these LEDs without the resistors require only 2 to 3 volts amperage is around 20 milliamps, the LEDs with proper resistance take 12 volts, there are some great videos on YouTube concerning these unknowns.

What gauge wiring is attached to the LED?

The wires are 7 strands measuring 0.09mm per strand which would equate to just a bit smaller than 30 AWG, so between 30 and 32 gauge wire.

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30pcs 12 Volt 5mm UV LED Lights Emitting Diodes Pre Wired 7.9 inch DC 12v Ultravoilet LED Light Clear Lens Small LED Lamps

Product ID: 378870579

Details

Brand
EDGELEC
Bulb base
Flanged
Bulb shape/size
R111
Light type
LED
Special features
light

💡30° focused UV beam

🔋20000+ hrs lifespan

🔌Prewired with resistor

3345 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💡 Illuminate your projects with UV precision and longevity!

PREMIUM WIRING - 7.8-inch 7-core pure copper wire with tin coating ensures superior conductivity and easy soldering.
LONG LASTING GLOW - Over 20,000 hours of reliable UV illumination—engineered to outlast your projects and ideas.
VERSATILE READY - 30-pack of 5mm clear lens UV LEDs, perfect for hobbyists, professionals, and trendsetters lighting up innovation.
PRECISION UV FOCUS - 30° beam angle delivers targeted ultraviolet light, ideal for DIY, electronics, and creative lighting.
EFFORTLESS INTEGRATION - Prewired with built-in 0.25W metal film resistor for stable 12V operation—plug and play perfection.

This 30-piece set of 5mm UV LEDs features prewired leads with built-in resistors for stable 12V DC use, a focused 30° beam angle, and a lifespan exceeding 20,000 hours. Designed with premium copper wiring for easy soldering and reliable conductivity, these LEDs are perfect for DIY electronics, decoration, and professional lighting applications.

Specifications

ASIN	B07T9L612N
Additional Features	light
Beam Angle	30 Degrees
Brand Name	EDGELEC
Bulb Base	Flanged
Bulb Shape Size	R111
Color	[10] Uv / 30 Pcs
Connectivity Technology	Normal bulb
Control Method	Touch
Controller Type	Push Button
Customer Reviews	4.5 4.5 out of 5 stars (415)
Efficiency	75 lumens per watt
Incandescent Equivalent Wattage	45 Watts
Included Components	Wire Lead
Indoor Outdoor Usage	Indoor
Item Dimensions W x H	3W x 201H millimeters
Item Weight	59 g
Light Color	UV
Light Output Maximum	300 Lumens
Light Source Operating Life	20000 Hours
Light Source Type	led
Light Source Wattage	0.25 Watts
Light Type	LED
Manufacturer	EDGELEC
Manufacturer Part Number	ED_DLP05C
Material Type	Metal
Model Name	PW-DIP LED
Model Number	PW-DIP LED
Number of Items	30
Package Quantity	30
Power Consumption	4 Watts
Power Source	DC Electric
Shape	Round
Specific Uses For Product	Indoor
Style Name	5mm Solid Light
UPC	611355173907
Voltage	12 Volts
White Brightness	300 Lumens

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