amazon.com has the ViewSonic PX701 4K UHD 3200 Lumens HDR Home Theater Projector (White) for $763.65 with free shipping.

• Resolution: 3840×2160 (4K)
• Refresh Rate: 240Hz, Response Time: 4.2ms
• Screen Size: 30″-300″, Brightness: 3200 ANSI Lumens
• 1.1x Optical Zoom, Anti-Warping Stabilization + H/V Keystone
• SuperColor Technology, superEco Mode; shine bright for up to 20,000 hours