GSM remote controller is designed for the needs of remote monitoring equipment, widely used in motor control, alarm alert, light system wireless control etc. Low cost, reliability, high compatibility. Main characteristics. 1. 2 roads output. It is large in power to control the electric apparatus , can control the signal of outputting 220AC/30A most. 2. Interface port of sim card . The use of ubiquitous wireless communications network so that you at any time any place can control your equipment, understanding equipment running 3. Stable and reliable performance .Imported high Siemens microprocessor can make sure quality. 4. Store 5 cell-phone host numbers at most, Other cell-phone numbers have no right his control correctly. 5. Message controlling, convenient and direct. It can be controlled anywhere where there is the signal of cell-phones, there is no distance to limit. Typical application One of the typical applications of the GSM SMS Controller is for automatically water tank monitoring and control solution. Please help to see below diagram. Also it can use to lots of other solutions. E.g.: Security Alarm System applications; Supervision and monitoring alarm systems; Automatic monitoring system; Vending Machines security protection; Pumping Stations, Tanks, Oil or Water levels; Buildings and Real Estate; Weather Stations, River Monitoring and Flood Control; Oil and gas pipelines, Corrosion protection Temperatures, water leakage applications, Wellheads, boat, vehicle; GSM Access Control System, GSM Gate Opener, etc. Energy saving, street lights control system, Valve controls; Transformer stations; Unmanned machine rooms, Control room application Automation System, M2M.