Philips LED SceneSwitch 100W equivalent bulb. One bulb, three colour settings all with the flip of the existing light switch. No installation required. Dimmed light without the hassle of a dimmer. Select the light setting from a functional light, to a natural energizing light, to a cozy warm glow. Colour temperature range: Soft white (2700K), Daylight (5000K), and a dimmed warm glow (2200K). Memory features remembers the last setting of the bulb - no need to cycle through. Energy saving. Long life. Instant-On - delivering beautiful, consistent light. A21 shape - similar size and shape as traditional 100W bulb. Ideal for table and floor lamps. Medium base (E26).