4-Channel 5V Relay Board TP4056 1A Li-Ion Battery Charging Protection Module Learning & Education: Great for

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4-Channel 5V Relay Board TP4056 1A Li-Ion Battery Charging Protection Module Learning & Education: Great for```html 4 Channel 5V Relay Board Control up to four high power devices independently using any 5V microcontroller with this optocoupler isolated 4 channel relay module from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, and dedicated technical support. Specifications Relay Channels 4 (independently controlled) Signal Voltage 5V DC (active low trigger) Coil Voltage 5V DC Contact Rating 10A @ 250V AC 10A @ 30V DC