Dual Relay Control Board Delay Switch Module Delay Relay Two-Way Output

Time adjustable range of 1 to 999 seconds, adjustable every 1 second. Function 1: Power on, the relay 1 work for a period of time off; then relay 2 work for a period of time off; 1,2 cycle work; infinite alternate cycle; Function 2: Power on, press K3; relay 1 work for a period of time off; then relay 2 work for some time off; again press K3; once again start; Function 3: Power on, press K3; relay 1 work for a period of time off; again press K3; relay 2 work for some time off; Package Included: 1*Dual relay control board