RF Wireless gate opener parts

1 Power Supply AC220V/DC24V/DC12V 2 To learn a remote into the receiver, press and release the learning button on the receiver, then press any button on the transmitter 3 times. 3 Once programmed, press the remote button, you will heard a sound from the relay buzzer, and unlock become lock. Please note that if you use a multi button remote, the buttons are predefined. 4 This receiver can accept a maximum of 20 remote transmitters. 5 If a remote transmitter is lost, press the LEARN button for 8 seconds, this will erase all data in memory. 6 It has two types, latch type and memory type.