"Matter Protocol Hub" -platform linkage is possible Matter devices can work with any Matter-certified ecosystem at the same time without the user having to choose a single controller, platform or application. Voice control Support or Home or voice control and other smart speaker control. Mobile control Can pair and connect by scanning the QR code on the device Through or or App. Manual control Large button panel, quick feedback with one finger , suitable for the whole family. Timer control Make a schedule to make the switch work properly. Specifications:4 Gangs Colour:Black Material:PC Package Contents: 1 x Smart Switch 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection 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.