Take a look at thistrustworthy guard for public and personal security - our DANMINI YA-300-GSM GSM Alarm Systemwhich you can rely on. The GSM alarm system comes with4 wired and6 wireless defense zones (can be extended to 60 sectors) as well as a clear LCD screen with time clock display. It supports various kinds of functions which include voice prompt for all operations, 6 sets of phone numbers &amp; 3 sets of SMS numbers storage, wireless alarm, etc. Learn more about it, and I believe you’ll understand how powerful and reliable it is!<!--Features --><p>FEATURES</p><ul><li> 4 wired and 6 wireless defense zones (can be extended to 60 sectors)</li><li> LCD screen with time clock display</li><li> English or Chinese voice prompt</li><li> Can store 6 sets of phone numbers, when alarming, system will make alarm call to these numbers automatically</li><li> Can store 3 sets of SMS numbers, when alarming, system will send alarming SMS automatically</li><li> Built-in rechargeable battery, make alarm when powering off</li><li> Support wireless alarm and wireless home appliance control (optional) </li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Material</td><td width="365"> Plastic</td></tr><tr><td width="131"> Alarm Form</td><td width="365"> The Remote Control, Support Wireless Alarm, Wireless Home Appliance Control (Optional)</td></tr><tr><td width="131"> Phone Number Stored</td><td width="365"> 6 Set of Telephone, SMS Alarm Group Three</td></tr><tr><td width="131"> Color</td><td width="365"> White</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (5.12 x 4.72 x 1.18)" /(13 x 12 x 3)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 26.21oz / 743g </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x Host</li><li>1 x Infrared</li><li>1 x Infrared Magnetic Door</li><li>2 x The Remote Control</li><li>1 x Regulated Power Supply </li><li>1 x Alarm</li><li>1 x Emergency Button </li><li>1 x Smoke Alarm</li></ul><!--Extra Info --><!--produts_compatibility -->