Shenzhen Sinda Technology CO., LTD is one of the leading designers and manufacturers of the intelligent security products with several years of experience, high technology and first class quality. We employ the best team who are highly skilled and experienced in the field of computer, electronics, automatic control, communication etc to develop, produce and sell product. We are primarily dedicated to developing and producing GSM alarm systems and telephone network alarm systems, which have been widely applied to all kinds of security fields, such as family, electric power, mobile base station, transportation, petroleum, finance, civil, police station etc. Here is our series of products of PATROL HAWK, GSM Home Alarm Systems, GSM Industry Alarm systems, GSM power facility alarm systems, GSM car alarm systems, MMS Alarm Systems, Telephone Line Alarm Systems, Wireless PIR Motion Sensor, Wireless Smoke Detector, Wireless Gas Leak Detector, Infrared Beam Detectors etc, . PATROL HAWK security alarm systems are the high new technology items by the assessing of Shenzhen Technology Bureau and pass the examination of Public Security Office. With its high-class quality, state of the art technology , perfect after sales service and worldwide sales network, the PATROL HAWK has been prevailing in international security market and earned its leading position and honorable reputation all over the company insists on the conception that people is centre, technology is first. With professional research, excellent management and perfect service, we can offer you advanced and high quality security products. And we believe that we can be your faithful friends and reliable partner forever.