motion activated
- sensorInput-detecting device
- triggerWhat initiates action
- detectorDevice that senses
- infraredHeat-bearing electromagnetic waves
- automaticOperating without intervention
lights · security · camera · doorbell · beam · threshold · proximity · movement · switch · floodlight · intruder · wildlife · hands-free · alert · nighttime · driveway · porch · surveillance
activation trigger mechanism
motion activatedmanual
Written instructions for use
hand-operated · voice-activated · remote-controlled · push-button
operational mode
motion activatedalways-on
Operating without pause
continuous · perpetual · non-automatic · static · passive