You can control any electricity from outside to your mobile phone , just call to your mobile phone, press the pass-code , then you can on/off 1 Relay.

Technical information:
-Require supply : 12 V AC/DC ( Not comes with the board )
-Consumption : 300 mA max. Stand by at 30mA
-Access to the board with pass-code 4 digit , User can change the pass-code
-1 relay outputs . ( Latch mode only )
-1000 watts maximum output load per channel.
-Dimensions : 3.60" x 1.96"
-Including the schematic and English manual
-Acknowledge sound when you command the board

Requirement / Note
1. Mobile phone should has an automatic pick up the phone function
2. This item is only the board, ( not included the small talk cable / adapter )
3. This board detect the DTMF sound from mobile phone

In case, you have any questions, please feel free to let me know

Download User Manual