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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SmoTecQ 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

SmoTecQ 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 Amps
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

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COP 100049

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up your essentials with confidence and never miss a beat!

SMART SAFETY SHIELD - Built-in IC chip guards against over-current, over-voltage, and short circuits
DUAL PACK POWER BOOST - Two reliable 12V 2A adapters for seamless backup or multi-device use
PLUG PLAY SIMPLICITY - Effortless setup with standard US 2-prong plug—power your devices instantly
FLEXIBLE 4 FT CABLE DESIGN - Extended, reinforced cord for easy, durable installation behind desks or TVs
UNIVERSAL VOLTAGE COMPATIBILITY - Works worldwide with 100-240V AC input for global peace of mind

The SmoTecQ 12V 2A Power Supply AC Adapter 2 Pack delivers consistent 24W output with universal 100-240V input, featuring a 5.5mm x 2.1mm center-positive plug. FCC certified for safety, it includes smart IC protection against electrical faults and comes with durable 4ft cables. Ideal for LED strips, CCTV cameras, routers, and more, this dual-pack ensures you always have reliable power on hand.

Specifications

ASIN	B077PW5JC3
Additional Features	Short Circuit Protection
Amperage	2 Amps
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 Amps
Customer Reviews	4.6 4.6 out of 5 stars (4,129)
Enclosure Material	Plastic
Form Factor	Rectangular with Cable
Input Voltage	240 Volts (AC)
Item Weight	8.78 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
Output Current	2 Amps
Output Voltage	12 Volts (DC)
Plug Type	Type B (US)
Portable	No
Power Plug	Type B - 3 pin (North American)
Power Source	Corded Electric
Specification Met	FCC
UPC	601490541372
Unit Count	2.0 Count
Voltage	12 Volts, 240 Volts
Warranty Description	12 Months
Wattage	24 watts

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