20-key keypad B203

wall-mountedplasticvandal-proof

1.Key frame uses special PC / ABS plastic. 2.Keys are made by secondary injection molding and words will never fall off, never fade. 3.Conductive rubber is made of natural silicone-corrosion resistance, aging resistance. 4.Circuit board using double-sided PCB (customized), contacts Gold-finger use of gold process, the contact is more reliable. 5. LED color is customized. 1.Buttons and text color could be made as customer requirements. 2.Key frame color is according to customer requirements. 3.With the exception of the telephone, the keyboard can also be designed for other purposes.