Philips LED 0.5 Watt is a power-saving light bulb that offers the same amount of light as a 40-watt incandescent bulb. With a 25,000 hour life span, this light bulb is more durable than other types of bulbs and is therefore an excellent choice for a busy household. The Philips LED 0.5 Watt is a good choice for those who want to save money on their electric bill and for those who want to conserve energy.