Details of the problem:
Hello, I bought a FCL-989M electric door lock from your company before and is in normal use, now Party A requires a fire alarm to be connected, is it possible?
Expert answer:
Hello! Thanks for using our company's products! The electric door lock of FCL-989M can be connected to the fire alarm, but it needs to be connected to the secondary development. As it involves secondary development, please consult a salesman.
