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❀Please Enjoy Your Shopping Time↖(^ω^)↗ 1. Smart Control: The 5V relay module is 8 channel isolated, each relay can individually switch on and off by an opto isolated digital input. 2. Practical Use: For PIC AVR 51, also supports application on all single microcomputer control, industrial circle, PLC controller, etc. 3. Relay Outputs: The relay output maximum contact is AC 250V 10A and DC 30V 10A, ensuring stable working performance and higher efficiency. 4. Reliable Work: Fault tolerant, even if the control line breaks, the relay will not move. With optical coupling isolation, triggers more reliable and stable. 5. 2pcs in Total: Including 2pcs 8 channel relay module switch in the set, making the replacement of old and damaged parts more convenient.