Support access to more than 40 kinds of sensorsSupport serial command set, users can access network through serial port.Widely used in smart wear, smart home security, remote control, automotive electronics, smart lighting, industrial Internet of Things and other fields.Application Scenarios Industrial manufacturing Short-distance replacement of signal cables at industrial sites reduces wiring, facilitates management, and improves production efficiency. Smart home physical layer technology solves home Internet of Things and diffraction performance.The smart farm accurately monitors the details of each operating area, which is convenient for statistical management and the first time to discover potential risks. the solution supports a large number of access points, which facilitates unified management in the background, reduces inspection manpower, and improves supervision efficiency.Module name: M3Working voltage: 5-12VLimit current: 10AWorking power: Less than 0.5WControl distance: infiniteAnalog interface: 4 groupsMulti-function interface: 1 groupColour:black+blueMaterial:plasticPackage Contents:1 x Relay Switch ModuleOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.