Shelly 2 relay July 8, 2019 16 32 64 128 Shelly relay 2 channel Shelly pro 2 din relay Shelly relay 2 way switch Shelly pro 2 relay Shelly dimmer 2 relay Shelly 2 channel smart relay Shelly pro 2 double relay Shelly dimmer 2 wifi relay switch Shelly 3 way switch wiring
