<p><b>About us:</b><br> Our company is based in Shenzhen, China. The brand is D1D9.<br> In 2008, we began designing and making burglar alarm systems and smart products.<br> D1D9 have a full range in home smart products.<br> In 2015, the company is SHENZHEN CHAMBER OF E- BUSINESS, vice president of the association.<br> In 2013, Passed ISO9001.<br> Today our company have 10 research and develop engineer and 60 other employee.<br></p> <p><b>Feature of burglar alarm system:</b> <br>1.Remote control arm, disarm, monitor and intercom by phone. <br>2.8 wired defense zones and 100 wireless defense zones.<br> 3.Real-time,delay,24hours,bypass defense zones programming function. <br>4.Users can make call by using keypad alarm panel, just like a telephone <br>5.Sound prompt for all operations.<br>6.LCD display. built-in clock, operate easily <br>7.Can store 6 group of phone numbers; when alarming, system will make alarm call to these numbers automatically. <br>8.SMS prompt automatically about low power of battery. <br>9.Can store 2 group of SMS number; when alarming, system will send alarming SMS automatically. <br>10.Built-in AAA NI-HI rechargeable battery(can work about 48 hours): make alarm when power off.<br> 11.Can store 2 group of call number about alarm receiving center <br>12.SOS, door, hall,window,balcony,and perimeter places alarm. <br>13.10-second automatic message recording. </p> <p><b>Package of GSM alarm system:</b> <br>Main unit x1 <br>PIRX5 <br>Remote controllerx4<br> Door contactx12 <br>Power supply x1 <br>Wired siren x1 </p><p> <b><i>Attention:pls check your local have 2G signal before you buy it.NO SIM card in package</i></b> </p><p> <b>Do I Really Need A Home Anti burglar alarm system?</b><br>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.<br>whether invest in a gsm alarm system is the right decision for you?</p>