One bulb, three settings. Works with your existing switch. - Now you can get the ambiance you want without having to install a dimmer switch. The Philips SceneSwitch bulbs work with your existing light switch. All you have to do is screw in the bulb, and flip the switch to toggle between 100%, 40%, and 10% brightness. Available in soft white and bright daylight. Energy Saving - This Philips energy-saving lamp conserves energy compared with traditional light sources, helping you to save money on your electricity bills and do your bit for the environment. Choose outdoor ceiling lights - Make the most of your outdoor space with this ceiling light, perfect for lighting your house porch or patio. IP54 Weatherproof - This Philips outdoor light is especially designed for humid outdoor environments. It was tested rigorously to ensure its water resistance. The IP level is described by two figures: the first one refers to the protection level against dust, the second against water. This outdoor light is designed with IP54: it is protected against splashing water. This product is most commonly used and ideal for general outdoor use. High Quality Materials - This lamp is sculpted from layered patterns of high-quality materials with superior finishing. This ensures a solid and long lasting product that will enhance your home for many years to come.