Cross-pass light switch. The switch is set by the user to one, two or three keys (on/off) or open/close drives. 8 logical keys of the switch will allow you to send commands (single or group) to neighboring switches (7 light groups per room). The backlight is customizable by the user (flag, any color, dynamic). Control is possible from the mobile App of your phone. The body plate color may chase as gold, chrome, black. There are hidden mount modules available.