Shelly 1 Gen3 - Smart Switch with Dry Contacts relay Shelly BLU Gateway is a

Shelly BLU Gateway is a compact USB-A-powered bridge that connects Shelly BLU Bluetooth devices to the Shelly ecosystem

No need for neutral: Can be used without a neutral wire

It is fitted in parallel with the light fitting and can resolve symptoms such as faint glowing

Shelly Pro 3EM Switch Add-on (the Device) is a galvanically isolated switch that extends the features of the Shelly Pro 3EM series of devices allowing the control of contactors or other electrical appliances

Shelly 1 Gen3 - Smart Switch with Dry Contacts relay Shelly BLU Gateway is aTypical applications: Lights, heating and cooling, appliances, doorbells, irrigation, garage doors and security gates. The Shelly 1 Gen3 is a compact Wi Fi operated smart switch with potential free dry contacts, designed for remote control of appliances, lighting, gates, doorbells and other low or mains voltage circuits. Key features: 16A dry contact relay for a wide range of control applications Works over Wi Fi with no hub required Bluetooth setup