Optoma UHD35x 3D DLP Projector - 16: 9 - High Dynamic Range (HDR) - 3840 x 2160 - Front - 2160p - 4000 Hour Normal Mode - 10000 Hour Economy Mode - 4K UHD - 1, 000, 000: 1 - 3600 lm - HDMI - USB - Gaming, Home True 4K UHD resolution - HDR and HLG compatible Lights on viewing - 3600 lumens for use any time of day Lightning fast gaming projector - Delivers 1080p 240Hz with an ultra-low input lag of 4. 2ms Full 3D compatible - Experience life-like bigscreen entertainment Immerse yourself in a world of Ultra HD gaming, live sports, TV shows and movies. The lightning-fast, low latency 4K UHD UHD35x delivers impressive cinema-quality images, an ultra-low input lag of 4. 2ms and a high refresh rate of 240Hz - perfect for a competitive gaming advantage TV and movie fans can also enjoy excellent colour depth, crystal clear detail, and sparkling contrast for a stunningly immersive experience