any lens or sensor looking out from the inside needs to be able to see through the glass as clearly as possible. In case you missed it: Fast wireless EV charging? It’s coming. Need a break?

A key addition to Honeywell's wireless sensor range ... to penetrate walls and glass, reducing false alarms and associated intervention costs. It provides the perfect solution for small commercial ...

Pictured above is the sensor portion of what [Frapedia] calls ... chip on a column of LEDs mounted inside the house. After the break you can see the project box that houses the status display.