Size: 55x33x25 (L * W * H) Weight: 21.5g
Input Power: 5V DC (160MA)
Input control signal voltage:
(0-2.5V state low relay OFF)
(3.3-5V state high relay ON)

Module interface:
Input section:
DC +: positive power supply (by relay voltage power supply)
DC-: connect power negative
CH: Relay module signal to trigger the end (high level trigger effective)

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