sensorlights
nounUK /ˈsɛnsə laɪts/
US /ˈsɛnsər laɪts/
Lights that turn on by themselves when they feel someone nearby.
The sensorlights in the hallway switched on as soon as I walked past.
OTHER MEANINGS
2. Outdoor lights that switch on when they detect movement, often used for safety.
We installed sensorlights above the garage door to scare off intruders.
3. Lights in a car or building that activate automatically in low light.
The sensorlights came on automatically when the tunnel got dark.
4. A playful term for lights that seem to know when you are around.
The kids call them magic sensorlights because they light up on their own.