Is this the lowest price it has ever been for the 2 pack? Yes.
Do you need it? No.
Will you make up a Story / Use case that you need it because life is boring? Yes.
Use case excuse to convince Wifey/GF/Mother in Law: That living room lamp never gets used, now you can switch it on and off with 'hey Siri' instead of walking up to it, fishing the switch at the back and switching it on and off.
Based on images looks to be quite the large unit