Time Delay Relay ModuleYF-4 Adjustable Cycle Delay Timer Relay Module Digital Display Timing Delay Board DC 12V for Smart Home Automatic Control

Features: This delay timing relay has 6 kinds of commonly-used functions to meet more application needs. Dual digital display for the time setting of delay ON and delay OFF. Adjustable 0.1sec - 999 hours time delay. POWERFUL FUNCTION: Our timer relay module function with timing, delay and cycle control, support high level trigger, achieving unlimited times of fast and frequent turning on/off the circuit. SAFE USE: Reverse connection protection and Emergency stop function effectively prevents equipment damaged and user hurted as connecting the wrong terminals. APPLICATIONS: With time delay relay switch module, user can easily achieve to control the motor, light bulbs, LED lights, DC motors, micro pumps, solenoid valves, smart home and so on. 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 ~ 999 seconds XXX. - timing range: 1 minute ~ 999 minutes. XX.X. - timing range: 1 hour ~ 999 hours Package list: 1 *Cycle Timer Relay