Wireless type, easy to install, without phone line. 2. Remote control, convenient. 3. Password protected 4. SMS to enable arm/disarm, partial arm/disarm, siren 5. High siren volume so to scare away intruders 6. SMS and auto dial up three phone numbers, locale monitoring start on. 7. SMS to recheck the GSM panel status, alarm report, zone name, arm/disarm status. 8. Audible/mute siren programed 9. Panic help 10. AC power shutoff self-detected to avoid malice destroied, automatically switch to battery back-up 11. Enable to receive signal from GSM car alarm system 12. Enable to setup alarm receiving central through GSM network 11 zones wireless and 2 zones wired. No telephone line needed. Remote management: Armed /disarmed. Partial disarmed Auto dial 6 phones or SMS function. Password protected, siren time customized. Electrical aplliance control to be added and ordered Specification: 1. Protection zone: 40(8 wired and 32 wireless) 2. GSM band: 900/1800/1900mHZ