Make colors and patterns pop and achieve full, beautiful brightness the moment you flip the switch. Unlike other CFLs, GE reveal Bright from the Start CFLs feature a capsule on the inside that provides light instantly. As the GE reveal CFL warms to its full brightness, the halogen capsule turns off. After full warm up the GE reveal Bright from the Start FL performs as efficiently as a regular CFL, using 75% less energy and lasting 8 times longer than a regular incandescent bulb. Unlike regular CFL bulbs, these bulbs provide clean, beautiful light, helping you save money on energy without sacrificing style.