... non-locking , L4:Latch-signal interlocking,T4:Toggle-signal self-lockingEncoding chip: program chip , It can use with transmitter ... The Wirless Mini 12V Radio Receiver mainly used in electric doors, windows, lifting equipment, gateways, industrial control, security and protection ... invent more innovative and quality products. We have advanced equipment in our factory. At the same time, we ensure that ...