Definition

Device that responds to a physical event or change in the environment by emitting an output signal.

Things you need to know

Sensors can be linked your security system.

Also known as

Detector

Cost Considerations

Sensor prices vary widely depending on type and brand. Most sensors run between $15 and $70 on average.

Costs vary greatly by region (and even by zip code). To get free estimates from local contractors, please indicate yours.