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. In the title and description we have provided details of the product including its features and specifications, please note the size and dimensions of the product to ensure it meets your needs. Warm reminder: Due to lighting effects, monitor brightness, manual measurement, etc., there may be some slight differences in color and size between photos and actual items. Sincerely hope you can understand. During the shopping process, if you have any questions, please feel free to consult us, we will reply to you within 24 hours, I wish you a happy shopping!