Tech-Security Electronic Technology Co., Ltd. was founded in 2006, developed from a professional wireless digital technology company. In year 2008 merged a wireless digital technology company which has been in the wireless technology line for 8 years. Company is headquartered in Pearl of the Orient, one of Asia's Four Little Dragons --- Hong Kong. In 2009 set up offices in the world of electronic base-Dongguan City, here with Superior geographical environment and developed transportation, close to Guangzhou and Shenzhen city. As a manufacture, the company has its own R&D, production, quality control, sales team. Mainly produce and sell wireless products, such as full duplex wireless video door phone, full duplex audio doorbell, full duplex video walkie talkie, full duplex video intercom, full duplex audio intercom, two way radio, group walkie talkie, and so on. With 8 years experience on wireless digital technology products, we are very rich in natural resources, not only have a professional team with full energy, but also have a very professional quality control system. And company has international advanced production equipment, leading development laboratory in the world, and more then 40 development engineers, committed to provide high quality service and high quality products to customer all over the world. We also provide ODM services to companies all over the world, customers just provide us idea based on wireless technology, and we can make these good ideas to be real...