1, Polycarbonate plastic enclosure with a NPT 1/2” mounting nipple, LED indicator and pre-wired for a money-saving installation that is easy and quick. 2, Input control signal voltage AC 12V or DC 12V, current 30mA.. When controlled by a DC signal, the two wires on the input end do not need to care about their polarities. 3, Output switch SPST (Single Pole Single Throw), rated current 10A / 250VAC or 10A / 30VDC. 4, This is a simple and practical passive relay module, which is very convenient to use. All wires lead out via 1/2” mounting nipple, it can be flexible mounting with your junction box / outlet box. Two screw mounting holes are convenient for you to fix it on the wall or wooden board. 5, Packing list: 1x relay module, 1x NPT 1/2” Zinc alloy conduit locknut, 2x M3x50mm screws. Datasheet: https://www.czh-labs.com/tmp/madeimg/datasheet/f-1061-10a.pdf