The LED is also 100% free of mercury and, as the bulb never needs to be replaced, there are no discarded bulbs. AAXA's core technology is based on small LCoS (Liquid Crystal on Silicon) and DLP (Digital Light Processing) imagers mated to LED (Light Emitting Diode) and Laser light-sources that makes micro projectors and pico sized projectors possible. In 2010 AAXA launched the world's first laser pico projector and today remains a leader in mini-projector technology.AAXA holds several patents in optical and LCoS designs and manufactures the majority of it's products in China, with core technological development occuring in both the Silicon Valley, California, and China. _gsrx_vers_584 GS 6.8b5 (584). The item "AAXA 4K1 LED ULTRA HD Projector, 1500 Lumens, 3840x2160 Home Theater (REFURB)" is in sale since Thursday, July 18, 2019. This item is in the category "Computers/Tablets & Networking\Monitors, Projectors & Accs\Projectors". The seller is "aaxatech" and is located in Irvine, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Barbados, Bangladesh, Brunei darussalam, Bolivia, Egypt, Guadeloupe, Jordan, Cambodia, Liechtenstein, Sri lanka, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Uruguay.