... <100Ω . 5. Stroke Voltage: 25-30KV/mm. 6. Expectation of Life: 500, 000 - 20, 000, 000 closures. 7. Meet RoHS ... directive, the standard of ISO 9001: 2000. 8. Different keypad refer to the detailed ... technical parameter. Fields of application: Keypads of Telephone, Interphone, Alarm System, machice equipment, Remote Control ...