"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 / Home/ voice control and other smart speaker control. Mobile control Can pair and connect by scanning the QR code on the device Through / / 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 * Smart Switch 1 * 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.