AD22B04 12V 4 Channel DTMF Tone Signal Decoder Relay Phone Remote Control PLC _x000D_ Features: _x000D_ _x000D_ _x000D_ _x000D_ Product model: AD22B04. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Operating_x000D_ Current: Standby 11-13 MA, 1 relay "open" 44MA, 2 relays_x000D_ "Open" 77MA, 3 relays "Open" 110MA, 4 relays"open"_x000D_ 140MA. _x000D_ _x000D_ _x000D_ _x000D_ Eight modes of operation: Non-locking_x000D_ (Momentary ), self-locking (Toggle), inter-locking(Latch), 5/20/60/120/250-second delay. _x000D_ _x000D_ _x000D_ _x000D_ The default control command is 1/2/3/4. Example: Dial 1 to control relay 1, dial_x000D_ 2 to control relay 2, dial 3 to control relay 3, dial 4 to control relay 4;_x000D_ control commands can be changed any 1-4 bits. (For more details, refer to "AD22B04_4_x000D_ channel DTMF controller commands setting manual "). _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ _x000D_ Size: as the picture _x000D_ _x000D_ Weight: 72g _x000D_ _x000D_ Maximum load: 10A/250VAC ,10A/125VAC,10A /30VDC, 10A /28VDC ,10A /12VDC _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Package Included: _x000D_ _x000D_ 1 x 4 Channel DTMF Tone Signal Decoder Relay _x000D_ _x000D_ 1 x cable