Here it is what I have bought. In the 2nd project I couldn't buy single white light so bought the below lights.
Here are Amazon links:
Switch
Amazon product ASIN B07RY6NKL2
Lights
Amazon product ASIN B0833QRTZ2
Where did you run the P+ to get power to the lights?
White attracts bugs, so green, red, or blue are better on the eyes and best for less bugs. I'm not sure about yellow.