SMATRUL แผงสวิทช์ไฟเซนเซอร์แบบสัมผัส 1 2 3 Gang 120 Type1 Way Us 110V 220V

NOTE *This switch does not require a neutral line, it can be used directly after installation 1.Don't lid on the glass panel when the switch is in electrical.The glass panel was lid on when it is in electrical. then the switch will not work please Restart the main electric switch in your home. it will work 2. Solutions to the problem of insensitive touch Problem: The switch base is screwed too deeply and tightly, causing a gap between the backlight board and the panel. Solution: Don't screw the lock screw too deep, if you can't reach it, you can replace it with a longer screw; or fill