1. 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 programmed 9. Panic help 10. AC power shutoff self-detected to avoid malice destroyed, automatically switch to battery back-up 11. Enable to setup alarm receiving central through GSM network. Contact:jacob@autosecu.com MSN:jacobhu1984@hotmail.com