... c.with LED defense zone d.send SMS when alarm e.fine quality home gsm alarm systema.two way communicationb.use SIMCOM gsm modulec.with LED defense zoned. ... way to communication,to talk with people who are on spot .2.Eight wireless LED defense zone, four wired defense zone,to dial-up 6 ... can be programmed by users 7. Record 10 seconds message 8.Using remote controllers, you can arm, disarm, panic from ...