4 RELAY OF GSM CONTROLLER SMS CALL REMOTE CONTROL SWITCH IN SOUTH AFRICA

Features: 1. With password protection 2. Can set up 5 groups of control master numbers 3. SMS control(ON /Off/ COM/T/L/XT/ Check command) 4. Free Call to control User can control the GSM controller by dial the SIM card number of GSM controller. The user may hear" You can't answer the phone call, beep, beep.......tone etc", which meanchanging changing the relay state sucessfully. If the controller connected, it will change to be disconnected state after a call. If the original state is off, it will change to be connected state after a call. 5. Button Control The controller state will be changed when you press the SW button at side of controller. If the controller connected, it will change to be disconnected state. If the original state is off, it will change to be connected state. 6. User can send sms to check the on/off state SMS text: SN+Password+CHECK 7. With Power off memory Function 8. sms call remote control household electrical appliances, high power AC motor, Generator, remote base station, PBX switchboard, water pump, router, server etc.