My model train layout has a bunch of mini-led lights. they are expecting 12v dc. will this work for this application?

I would expect the mini-LEDs have a low current draw, so this will probably work -> 12V DC 2Amp output. The screw terminal adapter may make it easy to wire in.

How long is the cable?

As the Amazon ad states it is 3 feet long.

Does female adapter have pin inside or not?

Yes, the female adapter has a pin inside the barrel.

Do they get very hot say burn to a fast touch?

these operate at the same temperature as your Modem or switch power supply for your computer. just warm not hot. Remember, do not overload them 2 AMP MAX.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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12V 2A Power Supply AC Adapter 2 Pack, 24W Transformer Charger for LED Strip Lights, CCTV Security Camera, Monitor, Breast Pump, 100-240V AC to DC Converter, 5.5mm x 2.1mm Plug, FCC Certified

12V 2A Power Supply AC Adapter 2 Pack, 24W Transformer Charger for LED Strip Lights, CCTV Security Camera, Monitor, Breast Pump, 100-240V AC to DC Converter, 5.5mm x 2.1mm Plug, FCC Certified

Product ID: 61376738

Details

Amperage
2 A
Brand
SmoTecQ
Color
Black
Compatible Devices
Cameras
Connector Type
DC
Included Components
DC connector

⚡12V DC output, stable power

🔌5.5mm x 2.1mm universal plug

🛡️FCC certified safety protection

Description

🔋 Power your essentials with confidence—never miss a beat!

SMART SAFETY SHIELD - Built-in IC chip guards against over-current, over-voltage, overheating, and short circuits.
DUAL PACK POWER BOOST - Two reliable 12V 2A adapters for seamless device uptime and backup readiness.
UNIVERSAL COMPATIBILITY - Perfect fit for LED strips, CCTV cameras, routers, and more with standard 5.5mm x 2.1mm plugs.
DURABLE FLEXIBLE DESIGN - 4ft reinforced cables with flame-retardant casing ensure longevity and quiet operation.
GLOBAL VOLTAGE FLEXIBILITY - Supports 100-240V AC input for worldwide use—travel or office, power stays consistent.

The SmoTecQ 12V 2A Power Supply 2-Pack delivers stable 24W output with universal 5.5mm x 2.1mm plugs, compatible with a wide range of devices including LED lights and security cameras. FCC certified and equipped with smart IC safety features, these adapters offer reliable, quiet, and safe power conversion from 100-240V AC input. With durable 4ft cables and a convenient dual-pack, it’s the perfect professional-grade solution for home, office, or travel.

Specifications

ASIN	B077PW5JC3
Amperage	2 A
Brand	SmoTecQ
Built-In Media	DC connector
Color	Black
Compatible Devices	Cameras
Compatible Power Plug Type	Type B - 3 pin (North American)
Connectivity Technology	5.5mm x 2.1mm DC
Connector Type	DC
Current	AC/DC
Current Rating	2 A
Customer Reviews	4.6 4.6 out of 5 stars (4,134)
Enclosure Material	Plastic
Form Factor	Rectangular with Cable
Frequency Range	50 hz - 60 hzard
Input Voltage	240 volts_of_alternating_current
Item Weight	8.8 ounces
Main Power Connector Type	2 Pin
Manufacturer	smooth-elec
Mfr Part Number	stq-dy501
Model Number	STQ-12V-2A
Mounting Type	Wall Mount
Number of Items	1
Number of Power Levels	1
Output Current	2 A
Output Voltage	12 volts_of_direct_current
Plug Type	Type B (US)
Power Plug	Type B - 3 pin (North American)
Power Source	Corded Electric
Special Features	Short Circuit Protection
Specification Met	FCC
UPC	601490541372
Unit Count	2 Count
Voltage	12 volts, 240 volts
Warranty Description	12 Months
Wattage	24 watts

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