Idual Argon Glass LED Recessed Downlight 7.30 W. This recessed down light is part of i Dual’s complete lighting system that means that you can control the colour temperature & light intensity of the lighting around your home. The down light features a glass ring which creates a beautiful effect when the light is switched on. This down light requires the i Dual remote control which means that you can set colour scenes so you can set the right ambience for your mood.