4K Ultra HD (3840 x 2160). 5500 RGB Laser Lumens, 2000 ANSI Lumens. 20,000 hours lamp life (30,000 hours ECO). Enjoy stunning 4K UHD visuals powered by energy-efficient RGB laser technology. The Acer Vero HL1820 delivers vivid, accurate colours while using less power to make it a smarter, more sustainable choice for home theatres.. Projector. Projector brightness. 2000 ANSI lumens. Projection technology. DLP. Projector native resolution. UHD 4K (3840x2160). Contrast ratio (typical). 3500000:1. Native aspect ratio. 16:9. Supported aspect ratios. 16:9, 4:3. Screen size compatibility. 660.4 - 7696.2 mm (26 - 303"). Projection distance. 0.93 - 14.88 m. Projector brightness (economic mode). 1600 ANSI lumens. Keystone correction, vertical. -30 - 30°. Keystone correction, horizontal. -30 - 30°. Light source. Light source type. Laser. Service life of light source. 20000 h. Service life of light source (economic mode). 30000 h. Lens system. Throw ratio. 1.4. Video. 3D. Yes. Ports & interfaces. HDMI ports quantity. 2. HDMI version. 2.0. DVI port. No. Serial interface type. RS-232. Network. Wi-Fi. No. Features. Noise level. 29 dB. Country of origin. China. Multimedia. Number of built-in speakers. 1. RMS rated power. 15 W. Audio decoders. Not supported. Design. Product type. Standard throw projector. Power. Power source. AC. Weight & dimensions. Weight. 2.9 kg. Width. 286 mm. Depth. 216 mm. Height. 115.5 mm. Package width. 398 mm. Package depth. 280 mm. Package height. 156 mm. Package weight. 5.5 kg. Packaging content. Remote control included. Yes. Cables included. Power, HDMI. Other features. Connectivity technology. Wired