- 10.525 GHz MW and PIR - Digital processing - Automatic Temperature Compensation (ATC) - Anti-Masking - Mask indication and Mask relay - Remote sefl-test Input - LED Enable input - PIR - 20m fixed range - Microware - adjustable from 5-20m - AND/OR option - N/O, N/C Selectable Relay - Wall Mount or Ceiling mount - Made in England