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Amazon.com: ViewSonic True 4K Projector with 3500 Lumens HDR Support and Dual HDMI for Home Theater Day and Night, Stream Netflix with Dongle (PX747- 4K)
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Amazon.com: COOBAN RLC-117 OEM Projector Lamp Bulb with Housing for Viewsonic PG705HD PG705WU PX727-4K PX747-4K Replacement Lamp : Electronics