Being supported by an advanced and professional IT team, we could offer technical support on pre-sales & after-sales service for App Zigbee, N78, 11ac, Modem Spectrum Analyzer,Docsis Power Levels. Now we have established steady and long business relationships with customers from North America, Western Europe, Africa, South America, more than 60 countries and regions. The product will supply to all over the world, such as Europe, America, Australia,Leicester, Saudi Arabia,New Delhi, moldova.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.