Oumefar DC 12V YF-4 Adjustable Cycle Delay Relay Multifunctional Digital Display Timing Delay Board Digital Cycle Timer Relay for Solenoid Valve Applicable Field : This multifunctional digital display timing delay board is used to control the starting and stopping of solenoid valve, water pump, motor, string lights, etc Multiple Functions : This YF-4 adjustable cycle delay relay module has 6 kinds of commonly-used functions to meet the needs of more application Delay Time Range : Our DC 12V multifunctional cycle timer has a long delay time range, and it is adjustable from 0.1s~999 hours Function List: P1-1: After T1 delay time, the relay pulls in. P1-2: After T1 delay time, the relay releases. P1-3: After T1 delay time, the relay pulls in. After T2 delay time, the relay releases. P1-4: After T1 delay time, the relay releases. After T2 delay time, the relay pulls in. P1-5: After T1 delay time, the relay pulls in. After T2 delay time, the relay releases and repeat the cycle. P1-6: After T1 delay time, the relay releases. After T2 delay time, the relay pulls in and repeat the cycle. Button setting description: Setting button: long press 2 seconds to enter the function settings; short press to switch the parameter settings Increase button: increase time Decrease button: decrease time Confirm button: start/stop Timing range description: Timing range varies according the position of decimal point: XX.X - timing range: 0.1 seconds ~ 99.9 seconds XXX - timing range: 1 second ~ seconds XXX. - timing range: 1 minute ~ minutes. XX.X. - timing range: 1 hour ~ hours Package list: 1 * Cycle Timer Relay