Using a changing circle can change to 22mm/
Head shape: square head.
LED Color：Red，Green, Blue, Yellow, White, Orange.
LED Voltage (▲) 6V/12V/24V/36V/110V/220V/380V
Panel thickness is 0.5~6mm
2. Drawing :
3.Picture about factory:
Q:how many kinds diameter about button ?
A:we could make 8mm, 12mm,16mm,19mm, 22mm, 25mm, 28mm and 30mm.
Q: What voltage do you make?
A:We could make 3V 5V 6V 12V 24V 110V 220V 380V AC/DC various voltage .