Dell 4610X 3500 Lumens 1024 x 768 XGA 2000:1 DLP Projector Seamless Presentations: Keep it simple with wireless2 connections to PCs and intuitive, easy-to-use software. Wireless Access to Multiple Users and Networks: Get creative with split-screen collaboration from up to 4 wireless PCs, wireless connection to LANs, and multi-PC sessions with up to 20 simultaneous wireless connections. Comprehensive Connectivity: Dual VGA connectors allow fast switching between presenters, the HDMI (High-Definition Multimedia Interface) connector allows for high definition compatibility, and 12V DC relay output controls optional motorized projection screens.