FR-4 fiber glass PCB, dual copper layers., Datasheet: https://images-na., ssl-images-amazon. 4 Channel SPDT power relay module, high quality JS1-5V-F 10Amp relays. Darlington transistor circuits drive relay coil, LED indicator for each relay channel. High quality screw terminal block. FR-4 fiber glass PCB, dual copper layers. This item 4 Channel SPDT power relay module, high quality JS1-5V-F 10Amp relays. ELECTRONICS-SALON DIN Rail Mount Passive Bistable/Latching DPDT 8A Power Relay Module 5v Version DC 5V Relay Module For Electronics DPDT Signal Relay Module ELECTRONICS-SALON Bistable/Latching DPDT 8 Amp Power Relay Module, DC12V Coil, RT424F12, ELECTRONICS-SALON D-151, ELECTRONICS- SALON MD-D151/12V-1 8 Channel Relay Module Arduino Relay Control signal voltage (IN-X): 0V - 0., 5Vdc (low level), relay not action., 2., 5V - 24Vdc (high level), relay action. Electronics-Salon 4 SPDT 10Amp Power Relay Module, DC 5V Version. 4 Channel SPDT power relay module, high quality JS1-5V-F 10Amp relays. Darlington transistor circuits drive relay coil, LED indicator for each relay channel Dimensions: L80mm x W72mm x H15., 5mm Operating Voltage / Current (VCC): 3., 8 to 7., 5VDC / 350mA(at 5VDC). High quality screw terminal block.
