motion detector

1. A device used in security systems that can alert the user of the presence of a moving object.

   Bewegungsmelder

   дете́ктор движе́нияdetéktor dvižénija

1. The motion detectors in the backyard went off.

   CC BY 2.0 FR · Tatoeba · Amastan · B2Відкрити на TatoebaПовідомити про проблему

2. To activate the faucet, just wave your hands under the spout and the motion detectors will start the water flowing.

   CC BY 2.0 FR · Tatoeba · Delian · C1Відкрити на TatoebaПовідомити про проблему

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