Open the package and take out the product, take out the lamp head, turn on the power switch, select the lighting mode you need, then Open the package and take out the product, take out the lamp head, turn on the power switch, select the lighting mode you need, then connect the ground plug to the lamp body (as shown on the left), and then set the mode Assemble the selected lamp head back and tighten the screws (as shown on the right)connect the