Four Colour Quad Spectrum Desk Touch Sensitive LED Lamp - UK Plug by Purelite : Amazon.fr: Luminaires et Éclairage
experimental physics - How could I measure the colour spectrum of a light bulb and investigate how closely it matches a black body radiation curve? - Physics Stack Exchange
Soraa Announces First Full Spectrum LED MR16 Lamp Challanging Halogen Color Performance — LED professional - LED Lighting Technology, Application Magazine