Delta Security Co., Limited is a professional home alarm system in Shenzhen, China, with history more than 5 years.
We focus on the development and manufacture of Wifi+GSM alarm system, GSM alarm system, GSM+PSTN alarm system and accessories of alarm system. We've developed several type of alarm system, with different frequency, 315Mhz, 433Mhz, 868Mhz. And many kind of accessories, PIR detector, door sensor, remote control, wireless siren, smoke detector, gas detector etc. All the alarm system are CE approved.
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