Which wireless switch to choose?

Question

Smart House

Task: apply 12 V voltage to the input of a certain device according to a command received via a wireless protocol. When another command is received, stop the voltage supply.
Under the wireless protocol, you can understand anything - from WiFi and Bluetooth to ZWave and ZigBee.
Distance from transmitter to receiver: up to 10m. Signal transmission takes place inside the building, so walls should be taken into account.
It is important that the system is difficult to hack, i. so that commands come from one or more authorized devices.
Question : Are there ready-made switches of this type on sale? What is the best wireless protocol to use for this purpose?

Answer 1

Fibaro solves this problem perfectly: www.vesternet.com/downloads/dl/file/id/23/z_wave_f...