Its installation is very simple, each LED lamp is equipped with a two-claw buckle, which can be firmly fixed on the ground. 1.Drill the Ø35MM hole. 2.Put the light wire into the hole. 3.Level the lamp body. 4.Connect the wires and complete the installation. (NOTE:Male and female waterproof cables cannot be reversed) Package Includes: Set of 10 10Pcs Light+1x WIFI controller+1x 12W Power Supply Set of 20 20Pcs Light+1x WIFI controller+1x 30W Power Supply Set of 30 30Pcs Light+1x WIFI controller+1x 48W Power Supply Set of 50 50Pcs Light+1x WIFI controller+1x 48W Power Supply.