Now available from PMD Way are a huge range of popular and often-used general relay modules. You can select from 3.3V, 5V, 12V or 24V coils, and also the number of relays per board using the options menu. LEDs on relay board show relay on/off status. Specifications: All relays handle AC 250V/10A, DC 30V/10A Dimensions: 1 relay - 50 x 26 x 18.5mm 2 relay - 50 x 38.5 x 18.5mm 4 relay - 6 relay - 8 relay - 138 x 56 x 8.5mm Don't forget to check out our full range of Relay modules if this doesn't meet your needs. And as always, all orders receive free delivery. And remember ... if you: can't find what you need not sure what to order want a bulk deal need technical support or just want to have a talk ... Please email us via [email protected]. To keep up to date with new products, news, tutorials and more - we're on x, Facebook, Instagram, threads, reddit, and instructables.