The DS-PM1-I16O2-WE wireless multi I/O transmitter offers a connection of third party wired detectors like outdoor PIR, to AX-PRO alarm system, the alarm types and zone parameters can be set through APP by installers easily. Under the situation when your want to update your security system to AX-PRO with more innovated features, multi I/O transmitter gives you a chance to rebuild your alarm system without changing existing wired detectors.