Brand Unbranded/Generic

Check the listing for details. 1 Channel 5V Relay Module Board with Optocoupler Support High & Low Level. Condition: New. Listed at 9.99 USD. 2, using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA;. 4, the module can be set to trigger high or low with jumpers;. 6, the power indicator (green), relay state indicator (red).

$7.99
$9.99