The PT-RW330U is one of the new SOLID SHINE™ Series projectors that all use a newly developed LED/Laser-combined light source for superior reliability and long-lasting brightness unprecedented by conventional lamp-based projectors. No more lamps or air filters which makes it possible for end-users to enjoy maintenance-free operation for about 20,000 hours* while maintaining excellent brightness and outstanding picture quality. To enhance permanent installation use, the DIGITAL LINK feature enables users to transmit video, audio and control signals up to 100 meters (328 feet) over a single LAN cable.