POS terminal membrane switches typically feature circular or cross-shaped designs with diameters ranging from 5 to 12mm. Certain high-durability models support customised non-standard key shapes.
Metal springs: Stainless steel offers high durability, suitable for high-frequency usage scenarios
PET/Acrylic light-guiding film: Transparent material enables keypad backlight functionality
Supports laser engraving, screen printing, and secondary vulcanisation treatment to achieve personalised tamper-evident markings and wear-resistant coatings.
