1. Tubular motor runs quietly, and equipped thermal protection system in order to last using time of motor. Aluminum or steel, white or black case for choosing, beautifully housing.  2. Very good quality fabric, video spectra or hidefe-gray spectra or metallic fabric, which can make you enjoy clear and vivid picture on the screen.  3. Wireless remote and infrared remote controller is optional, change the traditional way, which makes operation extremely easy.  4. Gain: video spectra (2.2), hidefegray spectra (0.85), metallic fabric (3.0) 5. View angle: video spectra (45 degree), hidefegray spectra (85 degree), metallic fabric (30 degree) ,  6. 72 inch to 180 inch can be produced; we can produce according to your special demands. 7. Obtained CE and ROHS Certificates, passed LVD and EMC Testing.