The Peerless WL AU-PST1200-W Wireless Short Throw Projector AV System provides the convenience of wireless AV connectivity along with the integrated amplified stereo sound. This model is ideal for throw distances up to 48.55" (1200mm) and takes short throw projector application and functionality to a whole new level with quick and easy installation, fine-adjustment features, and plug-and-play wireless setup. Ideal for enriching any presentation, education or digital signage environment, this wirelesssShort throw projector AV system offers quick and easy installation and plug-and-play wireless setup. Gone is the need to send AV signals via cables through walls and ceilings, it can simply stream through with this wireless AV solution.