Answer: sensor

AnswerCrossword Clue
SENSORSignaling device
SENSORPart of a security system
SENSORHeat detector, e.g.
SENSORIt might set off a light
SENSORMister in Madrid acquires Sony's foremost receiver (6)
SENSORIt picks up readings
SENSORPart of an electric eye
SENSORDevice connected to a control panel
SENSORPhotoelectric cell
SENSORHome security system component
SENSOREar or eye
SENSORElectric eye, for instance
SENSORPhotoelectric eye
SENSORPerceptive device
SENSORHeat-detecting device, e.g.
SENSORStimulus-response device
SENSORImpulse conveyer
SENSORResponder to stimuli.
SENSOREye or ear, e.g.
sensordevice sensitive to light, temperature, or radiation level that transmits a signal to another instrument
sensora device that responds to a stimulus
SENSORDetector
SENSORHome security component
SENSORProbe's kin
SENSORGillette razor brand
SENSORForerunner of Gillette's Mach3
SENSORIt might trigger an alarm
SENSOROf a nerve impulse.
SENSORMotion picker-upper
SENSORGauge of heat or light, e.g.
SENSORPhotoelectric cell, for example
SENSORNose or ear, e.g.
SENSORUSS Enterprise device
SENSORMotion detector part
SENSORBurglar alarm component
SENSOROne picking up speed, say?
SENSORDigital-camera part
SENSORThermostat component
SENSORAlarm component
SENSORElectric eye, e.g.