Dimmer connection method: The dimmer controller is connected between the power supply and the LED deck light. Bring different lighting levels to your home indoors and out. This dimmer only works with SMY deck lights. Do not use for other lights.Control distance: The dimmer with RF remote control can control the distance of 8-10 meters. Dim the right level of LED deck light for the right ambience at the right moment.Waterproof IP67: The controller can be installed in the IP67 coating with glue. Don't worry about rain damage.Strong signal penetration: Very strong signal penetration. A remote control signal can dim the deck lights through the wall. You can remotely dim the working exterior deck lights at home.