5V 8 Channel Relay Module with Low Level Trigger Optocoupler Blue Board
$3.42♦ Specifications
Operating Voltage: 5V DC
Trigger Current: 5mA
Relay Maximum Contact Voltage: 250VAC, 30VDC
Relay Maximum Current: 10A
Trigger Mode: Active Low/high
Dimensions: 142mm x 50mm
Weight: 115.3 grams
Indicator LEDs: Power supply indicator and relay status indicators