Spa Electrics EMRXL12R2GMPL (RGB+W) Grey Retro LED Replacement Light Kit. The Retro Series’ compact design but powerful output makes it the perfect replacement for existing pool lights. Designed specifically to replace existing AQUA/LAMP®s. The Retro Series light kit can replace old, defective pool lights in a matter of minutes. The retro light can upgrade a halogen light with an energy efficient LED light which can be integrated seamlessly with your automation system or wall switch. The Retro is the first ever replacement in ground light kit designed to replace existing in ground Vinyl Pool Lights in Canada Simple, quick installation can be done in minutes without the need for an electrician.