Electronic Screen Details: 1. Synchoronous or tubular motor runs quietly, and equipped thermal protection system in order to last using time of motor. Aluminum or steel white color or black color case for choosing, beautifull housing. 2. Very good quality fabric, matte white or glass beaded or video fabric, high gain, which can let you enjoy clear and vivid picture on the screen. 3. Wireless remote controller is optional, and changes the traditional way, which makes operation is easy. 4. Gain: Glassbeaded (2. 5), mattewhite (1. 1) 5. View angle: Glassbeaded(35 degree), mattewhite (55 degree) 6. Size: 60*-250*, we can produce according to your demands 7. Motor style: 110-240VAC 50/60Hz, synchronous motor or tubular motor. 8. Packing:1pc/ctn 9: Different Size Available.