... 433mhz security DIY LCD Relay output GSM House Alarm System KI-S100 GSM House Alarm Description:1.GSM Frequency: Dual-Band(900/1800MHz), Quad-Band ... home, the delay time is editable by user;10.Equips with 1 Alarm-Link output relay, once the system triggered ... on the GSM communication network and Operation Menu Display technology, apply to wide range situations. GSM house Alarm Technical Parameter: ...