The palm-size micro projector Adtec AD-MP15A uses LED for light source. The projector with bold, vivid picture quality is ideal for average size rooms. With 15lumens brightness, 200 to 1 contact ratio, the Adtec LED projector is powered by mains as well as with the built in Lithium-ion battery. Once charged, the battery lasts for about 40 minutes. Other features include built in, 0.3W mono speaker, a generous 20,000- hours LED life and easy connection to laptop, cell phones and AV equipment. The palm-size micro projector Adtec AD-MP15A measures 27x58x90 mm and weigh 147 g with battery. The LED projector will be available in Japan this month for approximately 39,800 yen ($427).