Average life: 10,000 hours Good colour rendering index 1B (Ra 80-89) Short and compact pin-base lamps with double-turn tubes Single-ended two-pin plug-in G24d base Suitable for operation on conventional control gear These compact fluorescent lamps are ideal for miniature luminaires and downlights for shallow recess. The lamps consume only 20 to 25% of the power of ordinary light bulbs of comparable brightness.