1. Frame and keys are made of RoHS approved zinc alloy material 2. Conductive rubber with carbon granules - Contact resistance: ≤150Ω - Elastic force: 200g 3. 1.5mm thickness UL approved printed circuit board with golden fingers 4 .Button color: bright chrome or matte chrome plating.
5. Key frame color according to customer requirements.
6. With alternative interface.
The 16 key Z.series 4x4 matrix keyboard are specially designed for public environment applications, such as vending machines, ticket machines, payment terminals, telephones, access control systems and industrial machinery with braille keys.