... .GSM SMS home system 2.OEM Lowest price,best quality 3.CCC,CE,ISO 4.link with wireless ... smoke,horn,infrared detector,so on Description:1.GSM System,16 wireless ... Each wireless zone can match numberless wireless sensors.4.This system Can Auto-dial 5 preset phone No. ... 2.setting fixed time for set /recall alarm system system in main machina.3.main machine monitot,talk function ...