Main Features:<br />GSM quad-band module，voice prompt and SMS alarm<br />Panel with SOS/Disarm (Stop Dial) buttons<br />Pre-set 5 phone numbers and 5 SMS numbers<br />Support maximum 30 wireless sensors<br />2 wired ports to connect wired sensors<br />The SMS content of the first 5 wireless sensors can be edited by users<br />Support remote listen-in and two-way intercom (connect an external speaker)<br />Built-in rechargeable battery， when power is cut off， it will send SMS alert<br /><br />TechnicalParameters:<br />Input voltage: DC12V/1.2A<br />Standby currents: Less than 35mA<br />Wireless distance: 80m(no obstacle)<br />GSM format: Support GSM850/900/1800/1900MHz<br />Backup battery: 7.4V/500mAh (Included)<br />Alarm loudness: 110dB<br /><br />    Specifications<br />Dimension and Weight<br />	 Product Weight: 0.290 kg                                                  <br />                        Package Weight: 0.440 kg                                                  <br />                        Product Size  ( L x W x H ): 11.8 x 8.8 x 3 cm / 4.64 x 3.46 x 1.18 inches                                                  <br />                        Package Size ( L x W x H ): 18 x 13 x 6 cm / 7.07 x 5.11 x 2.36 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x Main Panel， 1 x Power Adaptor， 1 x English Manual                                                	<br /><br /><br /><br />                                                                                            <br />