Acer X1 projector features high brightness and contrast ratio for showcasing vividly detailed text and images. DLP 3D Ready capability makes work presentations more convincing and home entertainment more exciting. Dlp 3d ready kit, featuring enhanced software that enables high (120 hz) refresh rates to render a flicker-free 3d experience. Acer dust shield design offers four guards to secure projectors to prevent damage from airborne dust and sand. Brightness 3000 lumens. Brightness 3000cd/m2. Contrast ratio 13000:1. 1.07 billion colours. Suitable for screens up to 300in. Power saving facility. Ceiling mountable. Connectivity: VGA, composite, s-Video, hDMI, rGB. General information: Size H22.3, W9.3, D31.4cm. Weight 2.5kg. Manufacturers 2 year guarantee.