Product Features: 1. Tubular Motor runs quietly and smoothly.Thermal Protection Deceives is equiped to power off when motor is overheating .Thus,its life is prolonged . 2. Streamline Aluminium Square housing can gracefully hold the lower housing competely. Railway installation is more easier and conventiont. It can be conveted to a tab-tensioned screen. 3. Environmentally-Friendly screen . Formaldehyde Volume << 75 mg / kg . Testing Report can be provided . 4. It can be used for various places such as Tourist Spots , Convention Center and home theaters .