1.GSM alarm system can send SMS 2.LCD display burglar alarm with voice indication 3.1 year warranty 4.delay arm/alarm economic gsm security alarm systemModel name: REH320Advantage features:1. Easily to install,do It by yourself;2. Easily to program,one sms can program all the commands;3 . 6 phone numbers, call&sms number is intergrated in one mobile phone number;4. 20 wireless and 4 wire zones, ...