Function list:
P1-1: after T1 time delay, the relay is closed（ Power on delay (on)
P1-2: the relay is released after T1 time delay（ Power on delay (off)
P1-3: after T1 time delay, the relay is pulled in, and then T2 time delay, the relay is released, and it ends（ Power on, delay T1 time, switch on relay, switch off after T2 time)
P1-4: after T1 time delay, the relay releases, and after T2 time delay, the relay pulls in and ends（ When the power is on, the relay is switched on, T1 time is off, and T2 time is delayed, the relay is switched on again.)
P1-5: after T1 time delay, the relay is pulled in, and then T2 time delay, the relay is released, and the cycle is repeated（ Power on, relay delay T1 time, relay pull-in T2 time, off, on, off, on, infinite cycle)
P1-6: after T1 time delay, the relay releases, and after T2 time delay, the relay pulls in and repeats the cycle（ Power on, relay closing T1 time, off T2 time, on, off, on, off, infinite cycle)
Parameters show：
Setting key: long press for 2 seconds to enter the function setting; Short press to switch the parameter settings.
Key plus: adjust the time plus.
Key minus: adjust the time minus.
OK key: start / stop.
Quantity: 1pcs
