Decoder Relay Module AD22B04 12V 4 Channel DTMF Tone Phone Remote Controller PLC Switch Module

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Brand: True Essentials
Availability: InStock

Product model: AD22B04 Working voltage DC 12V, with reverse polarity Operating Current: Standby 11-13 MA, 1 relay Eight modes of Non-locking (Momentary ), self-locking (Toggle), inter-locking(), 5/20/60/120/250-second delay