U431, 4 unit 3mm Cool White

4-3mm cool white LEDs connected to one input with one bridge rectifier/resistor/capacitor unit The electrical components allow you to use AC/DC/DCC, 7-19volts, completely assembled You can use a 9v battery, track power, 12v adapter to light our LEDs each set comes with a resistor, capacitor & rectifier, thus no polarity issues A 12 volt 2 amp adapter (PDC12) will run 100 LEDs Item Condition: New. .