AC-04 wall socket compatible with:

433-EC Wireless Economy Monitor
Central Unit: 433-CMU40 , 433-CMU60
Motion Detector: 433-MS
TL-5102MP Kit (motion detector only)
Emergency Light: 2017-SYS, 4017-SYS 
Door Bar: TL-4005SYS , TL-4005HOME 
Signal bumper: 433-BMPG, 433-BMRP