Product specifications/features : 1). Effective and energy-saving 2). Green environmental protection 3). Stable and reliable 4). Space-saving & low noise 1. The matured and reliable serial communication 2. Smooth start, quiet moving 3. Top advanced door operator system 4. Efficiently & swiftly perfect green space enjoyment of Nature & harmony 5. Worm-gear traction machine 6. Automatic lighting of led energy-saving lamp 7. Electromagnetic compatibility without interference with Each other 8. Voice reporting 9. Photocell protection Primary competitive advantages : Well and high quality control Prompt delivery Customer's designs and logos are welcome Competitive prices Earth-friendly products Small order acceptable Odm accepted Oem accepted Wooden cases packing