Optoma ZK430ST-B Black, 4K UHD Short throw projector, 4100 Lumens 0.496:1 throw ratio 6.4 lbs 2 x HDMI 2.0 (4K HDR), 2 x USB-A (Power / Dongle), 1 x Audio-Out 3.5mm, 1 x RS232, RJ45, 3D Sync, 12V trigger. 3 Year warranty