1 Way 12V Delay Timer Switch Adjustable Relay Module is a product that you can control it's contact's on-off timing via the trimpot on board. You can set on-off timing between 0-9 seconds.
It needs a supply voltage of 12V and you can supply the board through VCC and GND pins.
It can relay AC or DC voltage. It can relay current up to 10A at 30VDC or 220VAC.
Dimensions: 67,6mmx21,3mmx20,4mm (Length x Width x Height)