The Optex OP-08C passive infrared door sensor is a reliable and cost effective sensor for every type of automatic door application. the compact housing makes it also suitable for recessed mounting.OP-08 brings good looks, versatility, and high performance to request-to-exit PIR applications. OP-08 mounts on the transom or ceiling and has 10 individual detection zones which can easily be masked to control detection. Its special 'Wide & Deep' pattern adjustment doubles your detection pattern options. Available in black or white, OP-08 is Fail Safe or Fail Secure selectable, 12-24V AC/DC, and has a form C relay.