Shelly 2.5 best wiring diagram for 2 on-off switches?

Hello, I’m new to Shelly (but amazed at the possibilites) - I’m renovating my house in the uk and have asked an electrician to install a few in my house. However, electricians aren’t so familiar

Shelly support group (English Version), Does anyone know how to wire a Shelly Dimmer 2 to 3-way switches

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Shelly 2.5 best wiring diagram for 2 on-off switches?

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