I also am lost in what is what. I have the Gen5 version of the Fibaro Multi Sensor. After install I have 7 devices: 0000203 Lux 0201 Temperature 00000233 Alarm Type (light/switch) 00000232 Alarm Level (light/switch) 00000235 Burglar (light/switch) 00000200 General (light/switch) - in principle ...