1.GSM SMS Wirelsss Alarm System 2.OEM Lowest price,best quality 3.CCC,CE,ISO DC9V-12V 4.6wireless,6wired 5.6preset phoneNO Function Introductions1.4 wired guard areas and 6 wireless guard areas,6 voice phones and 3 message phones2.Remote two-way intercom,3 groups for timely arm/disarm3.Telephone (mo Alarm locking memory and information clear for easy checkingbile phone) remote control programming ...