From Starbounder - Starbound Wiki
The flashing light is meant to signal that there's been some sort of emergency...
Alert Light is a mountable light source object found in Apex Rebel Camps and Human Prisons. It emits an alarming sound when activated, similar to an Alarm.
|Apex :||These alarms were common in Apex housing, signalling unacceptable behaviour.|
|Avian :||The machine, it squawks like a bird.|
|Floran :||Ssswirling light. Like firefly in a jar.|
|Glitch :||Neutral. A coloured light.|
|Human :||These things scream danger.|
|Hylotl :||A clumsy dancing light.|
|Novakid :||A light cravin' attention.|
- Perturbed Koala: Added
- Spirited Giraffe: Adjusted price