2 color settings This allows you to switch from cool white lighting to a cosy warm one. Experience SceneSwitch - Color Change Philips SceneSwitch LED bulbs lets you perk up and be productive with cool white, or wind down with warm light after a long day. Just flick the switch. No dimmer or additional installation required. Different light settings from just one bulb 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! Optimise 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.