The best replacement for sensors is intuitives.

The best alternatives to sensors are rated as following:
★★★★★  intuitives
★★  motion detectors
★★  intuitors
★★  transducers
★  cmos sensors
★  vacancy sensors
★  backup camera
★  vintage noiseless
★  intuitive
★  glass break detectors
★  ccd
★  reverse camera
★  scans
  switches
  detectors
  transitions
  digital sensors
  back up camera
  cmos
  canon sensors
  window sensors
  glass break

Your alternative for sensors is not listed? Suggest!
Speaking about sensors, one probably shouldn't forget about alarms.

Other search terms related to sensors and their ratings are:
★★★★★ alarms
★★★★ lights
cameras
You have in mind a companion for sensors and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of sensors in all years. Click on graph for more.
sensors
intuitives
motion detectors