Philips MASTER PL-T 4P, 12.5 W, GX24q-1, 4P, 900 lm, Warm white Philips MASTER PL-T 4P. Bulb power: 12.5 W, Fitting/cap type: GX24q-1, Bulb size: 4P, Luminous flux: 900 lm, Light color: Warm white, Color Rendering Index (CRI): 82