Aokin 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi

2pcs 4 Channel DC 5V Relay Module with Optocoupler ?Switching capacity available by 10A in spite of small size design for highdensity P.C. board mounting technique. ?UL,CUL,TUV recognized. ?Selection of plastic material for high temperature and better chemical solution performance. ?Sealed types available. ?Simple relay magnetic circuit to meet low cost of mass production. Widely used for Domestic appliance, office machine, audio, equipment, automobile, etc. ( Remote control TV receiver, monitor display, audio equipment high rushing current use application.) ?4-channel relay output modules, relay output contacts 250V 10A. ?Input IN1, IN2, IN3, IN4, the signal line LOW effective. ?VCC, GND power input, can relay a separate power supply relay power input of JD-VCC. ?UL /CUL FILE NUMBER: E167996 10A/125VAC 28VDC. ?TUV FILE NUMBER: R9933789 10A/240VAC 28VDC. Package inlcuded: 2x 4 Channel 5V Relay Module