DS-PM1-I16O2-WE wireless multi IO 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 AXPRO with more innovated features, multi IO transmitter gives you a chance to rebuild your alarm system without changing existing wired detectors.