You are bidding on one Driver, which is ideal for 3 of 3 watt high power leds connect in series on AC 220 volt, fit for 3w led in color Red, Green, Blue, White, Yellow, Purple.
Specification
Input Voltage: AC 220V
Output Voltage: DC 9V~11V
Constant Current: 450mA
Function: Open circuit, Short circuit and Over loading, Dimmer
Fit for 3x 3W High Power LED Bulb Lamp DIY
Note: the red wire (+) and black wire (-) in one side are output and should connect LED. The other two red wires are input that connect to the power, no difference for + and -.
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