This is an RF remote control subsystem with 2-button transmitters and a receiver with 4 relays.
1. Power requirements: (1) CS-04R4-DC: using 12V DC. (2) CS-04R4-AC: using 24V AC. 2. Each model can be independently programmed to set the relay output mode as follows: (1) Pulse mode: The activated relay will be closed for 2 seconds for each activation. (2) Sustaining (momentary) mode: the activated relay will be closed for as long as the transmitter button is held down. (3) Latch (toggle) mode: push the transmitters button to turn the lamp or the appliance on. (4) A second press of the button will turn the device off.