GSM/SMS alarm with unique design which brings you satisfaction when using it. It has exquisite appearance , compact design, and it also can support iphong/android application,easy & convenient to remotely control. you can arm or disarm your house from your office, school. anywhere you at. With G1 alarm, you will feel secure anywhere and anytime. 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 Package 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 Company Information 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. Our Services Warranty: 1..We offer 2 years warranty, first 3 months can be replacement, longlife maintainence. 2..We offer OEM & ODM service to our clients. FAQ Q1. 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