The remote control system includes one transmitter (remote control) and one receiver (switch). The system has four channels operating independently of each other. The working voltage is DC12V. You can connect devices with a current of 10A, voltage 220VAC, 24VDC. Operating frequency 315 MHz.
According to the seller, the distance of the remote control is 1 km. Such a system can be installed, for example, in the garage by controlling the garage doors, lighting, alarms, ventilation or heating through different channels. You can install it on a personal plot by connecting an electromagnetic valve to control irrigation, lighting.
Cost: ~ 1400