In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of Door Entry System With Keypad, 3 Unit Intercom System, Doorbell Phone Intercom, Video Intercom Waterproof Metal Door Station,Ip Based Video Intercom System. We appreciate your enquiry and it's our honor to work with every friend worldwide. The product will supply to all over the world, such as Europe, America, Australia,Brasilia, Slovak Republic,Bulgaria, Czech Republic.We have been in operation for more than 10 years. We are dedicated to quality products and consumer support. We currently own 27 product utility and design patents. We invite you to visit our company for a personalized tour and advanced business guidance.