Features: Original State OFF. Suddenly, the electricity was cut off, then comes again, the State still is OFF, you need manual turn it ON. Out State: Momentary Latched Adjusted by the Jumper on the Receiver. When the relay is activated, the buzzer synchronize with a beep prompt. When the receiver output state is Latched, we have set it 0.5s time delay for forwards and reverse, it is the protection function. We have made transmitter and receiver working together and test it before ship it, when you get it don\'t need to do anything, just install it. Learning Code: ​(1) Press the learning button for 1 time,the learning indicator flashes slowly,Then press the transmitter button up (first button default for forward) ,the learning indicator flash 5 times and OFF,It mean the first button learning Successfully (2) Press the learning button for 2 times,the learning indicator flashes slowly,Then press the transmitter button down (second button default for forward) ,the learning indicator flash 5 times and OFF,It mean the second button learning Successfully (Third button default for stop ,When the jumper set for Latched) Clear code: Press the learning button on the receiver for 5s,the learning indicator will flash 3 times and OFF , It mean all the transmitter code in the receiver have been cleared.