From set up in 2011, Shenzhen Greatstar Technology Co., Ltd has grouped a professional elite team in security field. We focus on home security for many years, with core technology and independent intellectual property rights, we have become a high-tech enterprise integrating technological innovation, R&D producing, sales and service at present. Our items provided security assurance for thousands of domestic and overseas families. Our items range include GSM alarm system, PSTN alarm system, GSM+PSTN alarm system, 3G alarm system, Wi-Fi alarm system, IP cameras, Smart home alarm system, commercial wireless intelligent home burglar alarm system, and accessories for home alarm system, such as PIR motion detectors, smoke detectors, gas detectors, active infrared intrusion detectors, door magnetic etc. Our products can be used for home, community, factory, warehouse and etc. With the solid research technology and innovation ability, our company provides more and more latest smart items for clients. our team work and initiative spirit , make new items are coming out year by year, and shows the power of Private Enterprise for the Chinese security industry on the international markets. Our company adheres to the management idea of first-class quality, after-sale service timely and supply advanced and superior security items for precious clients. we believe we will be your reliable partner on cooperation.