Features 
 - Panel, host integration, design, luxury and elegant silver-gray panels, simple and practical; - with a key linkage control and management functions; - 1 way independent programmable RS-232 control interface, can control the projector 232 yards; - 1 way infrared learning independent control interface, can control the projector infrared IR code; - Built-in 3 × 2RGB with 300MHz long drive; - Built-in 2x1 audio signal switching; - built-in electric screen control function; - - built-in projector power delay protection, and better protect the projector; - Embedded IR learning function, the use of simpler, more reliable storage; - high quality, high-volume production, with high compatibility and stability , there has been a high cost; - Opening size: 186mm x 70mm.