The Green Slim incorporates a CASIO developed and patent pending Hybrid Light Source which combines Laser and LED technology for amazing high brightness and can last up to 20,000 hours. The Green Slim is an earth-friendly, low maintenance, 5 pound projector with features such as a 2X Power Zoom Lens making it a great portable projector. The Green Slim Projector eliminates the need for a short life (3000 hours typical) mercury lamp and is economical to operate.