The brand is D1D9. D1D9 have a full range in home smart products. In 2015, the company is SHENZHEN CHAMBER OF E- BUSINESS, vice president of the association. In 2013, Passed ISO9001. Today our company have 10 research and develop engineer and 60 other employee. Feature of burglar alarm system: 1. Remote control arm, disarm, monitor and intercom by phone. 2.8 wired defense zones and 100 wireless defense zones. 3. Real-time,delay,24hours,bypass defense zones programming function. 4. Users can make call by using keypad alarm panel, just like a telephone 5. Sound prompt for all operations.6. LCD display. built-in clock, operate easily 7. Can store 6 group of phone numbers; when alarming, system will make alarm call to these numbers automatically. 8. SMS prompt automatically about low power of battery. 9. Can store 2 group of SMS number; when alarming, system will send alarming SMS automatically. 10. Built-in AAA NI-HI rechargeable battery(can work about 48 hours): make alarm when power off. 11. Can store 2 group of call number about alarm receiving center 12. SOS, door, hall,window,balcony,and perimeter places alarm. 13.10-second automatic message recording. According to burglar alarm system report, over 2 million home burglaries are reported in the United States each year and, on average, a burglary of a home in the U.S. occurs every 13 seconds.whether invest in a gsm alarm system is the right decision for you?