DC Power Wireless Relay Switch Receiver and 110V 220V Trigger Remote Control Transmitter 3 mi (Model: 0023020) Choose the operating voltage of the receiver::DC 12V Only works with 5000 meters

Only works with 5000 meters 2 Channels radio receivers or wireless switches

2) Plug four linear actuators into the ports CH1

Release button ▼ on the right: The electric linear actuator 2 stops

The RF system uses an external retractable antenna to provide a longer working distance

it means the delay time is 999 seconds

DC Power Wireless Relay Switch Receiver and 110V 220V Trigger Remote Control Transmitter 3 mi (Model: 0023020) Choose the operating voltage of the receiver::DC 12V Only works with 5000 metersPackage Include: 1 x Receiver: S1UW DC ANT3 1 x Transmitter: CC 2V AC 1 x User manual Working Principle: Transmitter CC 2V AC is a special remote control with AC voltage signal trigger. It has 2 input wires for connecting an AC voltage signal from an equipment, such as warning host, detector, sensor, Programmable Logic Controller (PLC), AC siren, AC light or other AC equipments. When the two wires of the transmitter CC 2V AC are supplied with AC