c.Big size,dual light,touch
d.Bus wiring push button 5-wire bus conection, save wiring cost, improve installation efficiency. Push button can be integrated buzz function. 2, We can design customerized COP,LOP, if you tell us what you need. welcome to visit our website for more technical specifications or email us. Contact us if you need more details on Elevator Door Lock. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Round Key Lock、Elevator Door Mechanical Lock. If these products fail to match your need, please contact us and we would like to provide relevant information.