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: 162927307

Details

Brand
EDGELEC
Bulb Shape Size
T
Incandescent Equivalent Wattage
45 watts
Light Type
LED
Special Feature
light

⚡Prewired with built-in resistor

🎯30° focused UV beam angle

🔋20,000+ hrs lifespan

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Description

💡 Illuminate your creativity with UV precision and longevity!

LONG LASTING GLOW - Over 20,000 hours of continuous UV illumination—outlasts typical LEDs to keep your projects shining bright.
PRECISION UV FOCUS - 30° beam angle delivers targeted ultraviolet light, perfect for hobbyists and professional DIYers alike.
PURE COPPER WIRING - 7.9-inch 7-core tin-coated copper leads ensure optimal conductivity and durability in every diode.
PLUG PLAY UV POWER - Prewired 12V LEDs with built-in resistors for hassle-free installation and reliable performance.
VERSATILE UV APPLICATIONS - Ideal for electronics, decoration, scientific projects, and unique lighting effects that set you apart.

This set of 30 prewired 5mm UV LEDs operates at 12 volts with built-in 1/4W metal film resistors, featuring a 30° beam angle and 7.9-inch pure copper leads. Designed for indoor use, these durable LEDs offer over 20,000 hours of reliable ultraviolet light, making them perfect for DIY electronics, hobby projects, and specialized lighting needs.

Specifications

ASIN	B07T9L612N
Additional Features	light
Beam Angle	30 degrees
Best Sellers Rank	#3,622 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #322 in LED Bulbs
Brand Name	EDGELEC
Bulb Diameter	0.12 inches
Bulb Shape Size	T
Color	[10] Uv / 30 Pcs
Connectivity Technology	Normal bulb
Controller Type	Push Button
Customer Reviews	4.5 4.5 out of 5 stars (446)
Efficiency	75 lumen/watt
Incandescent Equivalent Wattage	45 watts
Indoor Outdoor Usage	Indoor
Item Dimensions W x H	0.12"W x 7.9"H
Item Weight	2.08 ounces
Light Color	UV
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 Number	PW-DIP LED
Number of Items	30
Package Quantity	30
Power Consumption	4 watts
Shape	Round
Specific Uses For Product	Indoor
Style Name	5mm Solid Light
UPC	611355173907
Unit Count	30 Count
Voltage	12 volts
White Brightness	300 lumens

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$29.03

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In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

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