Some situations call for cool light, others benefit from the ambiance of a warm cozy glow. With Philips SceneSwitch LED lamps, you can have different light settings from just one bulb, candle or spot. And no dimmer required! Optimize your lighting for relaxing, hobbies, recreation or working. Just with the flick of a switch. And that’s with the switch you already have! Whichever SceneSwitch lamp you choose, they all have the same flexibility of different light settings in just one lamp. And they all work with your existing switch. No extra installation required.