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1-CH 5V Solid-state Relay for Arduino (Red)
5V solid-state relay 240V / 2A£¬ output resistance fuse 240V / 2A Size: 25 x 34 x 25 (Length x width x height) Input power: 5V DC Input control signal voltage (0~2.5V status low level£¬ relay on) (3~5V status high level£¬ relay on) Module interface: Input parts: DC+: connect power positive (press relay voltage power supply) DC-: connect power negtive CH1: relay module signal trigger port (low level trigger effective) Must need DC power supply