GSM 2 Relay Special

GSM 2 Relay Special

GSM x 4 Relay Controller, NOT 3rd party seller, NOT a box mover, we Design, we Program, we Build, we Sell because we support from the UK, this unit has single aerial and no enclosure.

The Temperature is read using the Dallas Single Wire DS18B20 device, this is a raed only unit NOT a Temperature Controller !

Range is -20 Deg C to +55 Deg C


4 x Relay Output

1 x Temp Control





    Product Detail:-

    12-24vdc/ac Supply

    Min 2 amps

    Relay contact rating - 6 amps

    Must be in strong network signal area.

    GSM Controller - Sim800L

    Main Controller - 16f18346

    2 x Inputs 9-12vdc

    Temperature Controller - Dallas DS1820
    Dimensions (with SMA Aerial Socket) : 158mmx90mmx46mm (L X W X H)


    Return and Refund policy.

    7 days return for full refund.

    Warranty 12 Months.

    We do not refund and postage costs.


    Shipping Policy:-


    We will only send tracked and signed.