Securitron Model: XMS Exit Motion Sensor. The XMS Passive Infrared Request to Exit Device is a motion detector specifically designed to reliably release magnetic locks. A person approaching the door is "seen" by the motion detector just before reaching the door. Passive Infrared Request to Exit Device designed to reliably release magnetic locks automatically cuts power to the lock, allowing the individual to exit without even realizing that the door is secured. Request to Exit (REX) output easily adjustable beam pattern, adjustable time relock, UL Listed. Input Voltage: 12 or 24VDC Power Draw: 20-50mA, depending on switching status Environment: Indoor use only.