SMART UX80 DLP Projector Digital Multimedia Projector with ultra short throw capabilities allows positioning it and a connected laptop very closely to the screen (between 4 and 28 inches) rather than somewhere in the back or in the middle of the audience. This technology is also used with interactive whiteboards. Dual HDMI 1.4 Powered - HDCP compliant for content security - Future Proof: Blu-Ray, 3D ready -Transports USB signal for optimal touch experience Many non-authentic, non-OEM lamps can stop functioning within 6 to 12 months whether the projector has been used or not. Generic lamps may produce a darker or brighter image than an OEM lamp. Non-authentic lamps die more quickly because of inferior build quality, when the gas sealed within the lamp begins to leak. Also, the lamp can be b.