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 120V, current 16mA.
3, Output switch SPST-N/O (Single Pole Single Throw, Normally Open), rated current 10A 125VAC or 6A 250VAC / 30VDC. 
4, With override switch function, the output can be manually set to ON or OFF state without being affected by the input signal. It can also be set to AUTO mode, in which the output state is controlled by the input signal.
5, 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.
6, 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-1079.pdf