£79.50 Philips Arquitectura C dimmable SA/T 150W/942 1CT/1235W/830: Lamp power = 35W.color rendering index => 80, very good.Color temperature, Tc = 3,000 K.70W/942: Lamp power = 70W.color rendering index => 90, excellent.Color temperature, Tc = 4200 K.Ref: 20094515View