AD22B04 12V 4 Channel DTMF Tone Signal Decoder Relay Phone Remote Control PLC auspowers_batchthree The maximum length is 200cm

The maximum length is 200cm

This d-style earpiece has an in-line microphone and push-to-talk button for convenient and quick radio access while on the go

making of high quality internal copper coil

Compatible with radio: HT1000

AD22B04 12V 4 Channel DTMF Tone Signal Decoder Relay Phone Remote Control PLC auspowers_batchthree The maximum length is 200cmAD22B04 12V 4 Channel DTMF Tone Signal Decoder Relay Phone Remote Control PLC Product Features REVERSE POLARITY PROTECTION: Working voltage of relay board is DC 12V, with reverse polarity protection, can be used with confidence EIGHT MODES: Remote controller switch module has eight modes of operation: non locking (Momentary ), self locking (Toggle), inter locking(Latch), 5 20 60 120 250 second delay DURABLE: DTMF relay phone voice signal decoder made