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Flashing red lights fire alarm system on the ceiling in the room building. Smoke detector fire alarm sensor Stock Photo - Alamy
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Red Flashing Light on the Sensor of the Fire Safety System in the Room on the Ceiling Stock Footage - Video of alarm, accident: 209272922
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HONUTIGE 110dB Solar Sound & Light Alarm Light, Motion Sensor Safety Alarm Strobe Lights, Body Induction LED Flashing Warning Light Outdoor Alarm Siren for Home Villa Apartment Farm Yard : Amazon.co.uk: DIY
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Solar Sound & Light Alarm Motion Sensor 110 Decibels Siren Sound Alert & 6LEDs Flash Warning Strobe Security Alarm System for Farm Villa: Amazon.co.uk: DIY & Tools
![What kind of motion sensor is this? Has two lights that flash: red on the left, blue on the right. : r/whatisthisthing What kind of motion sensor is this? Has two lights that flash: red on the left, blue on the right. : r/whatisthisthing](https://preview.redd.it/q02u601knw3z.jpg?auto=webp&s=b7e2b7a70245cfc58433cb008f707db86c0c9d98)
What kind of motion sensor is this? Has two lights that flash: red on the left, blue on the right. : r/whatisthisthing
![Flashing red lights fire alarm system on the ceiling in the room building. Smoke detector fire alarm sensor Stock Photo - Alamy Flashing red lights fire alarm system on the ceiling in the room building. Smoke detector fire alarm sensor Stock Photo - Alamy](https://c8.alamy.com/comp/2GGCYD5/flashing-red-lights-fire-alarm-system-on-the-ceiling-in-the-room-building-smoke-detector-fire-alarm-sensor-2GGCYD5.jpg)