GSM Dual Controller c/w 433 Meg Transmitter
GSM Dual 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 with enclosure.
Unit comes with 2 x Relay Outputs 6 Amps.
433 Meg Transmitter build into our GSM no extra wiring required !!