G1 is a GSM/SMS alarm with unique design which brings you satisfaction when using it.  It has exquisite appearance , compact design, and it also can support  iphone/android application,easy & convenient to remotely control. you can arm or  disarm your house from your office, school.  anywhere you at. Product Description Main function for gsm alarm : quad-band module, GSM frequency 850/900/1800/1900mhz. Support iPH app control for iPhone & Android SMS reminder + alarm phone call Build-in multiple languages, German/French/Russian/Spanish/English/Chinese Support multi-way control 12 wireless alarm zones + 2 wired alarm zones Voice reminder & power failure reminder Independent arm Backup lithium battery Packaging & ShippingPackage list for standard kit gsm home alarm system: Main unit X1  Wireless PIR sensor X1  Wireless door sensor X1  remote controller X2  siren X1  power adapter X1  user manual X1  Package list for large kit gsm alarm system: Main unit X1  Wireless PIR sensor X4  Wireless door sensor X4  remote controller X4  Wireless smoke detector X1  Wireless gas detector X1  siren X1  power adapter X1  user manual X1  Welcome to Patrol Hawk   Our company, Shenzhen Patrol Hawk Technology Co., Ltd is a professional manufacturer of GSM security alarm systems, established in July of 2003.    We specialized in designing, manufacturing and selling of GSM security alarm system, GSM industry alarm system, MMS alarm system, GSM power transformer alarm system, GSM data acquisition alarm system, GSM Monitoring Center software and so on.  FAQQ1. How can i download the iOS application?  You may free download the iOS/Android applications from Apple store or Google Play,  by searching keypad "iCMS".   Q2. Can I add any wireless PIR sensor to the system, and how many?  You can add or reduce the sensor quantity. It can connect with numberless sensors to each zones.     Q3. How can i pay? You may pay via PayPal, Western Union, T/T.   Q4. How to order? - confirm the order, for example product model, quantity. - make the invoice for confirmation - pay for it - delivery goods - receive parcel     welcome to visit Patrol Hawk in the IFSEC,17-19 June 2014 EXCEL LONDON UK HALL No. S10 Booth NO.B2450 Please visit our website to see more products