![image](https://comicvine.gamespot.com/a/uploads/square_tiny/13/134753/6601520-74759f3b-80fc-4e4a-addc-1a491944c07d.jpeg)
Halo’s Signal Charm
A thin metal circular charm which acts as a sophisticated signal devise created by batman. The character Halo wore it linked to a necklace and used it to send an alarm to her fellow Outsider comrade's at arms.
Name:
Halo’s Signal Charm
Aliases:
Start year:
1985
![cover](https://comicvine.gamespot.com/a/uploads/original/13/134753/6601520-74759f3b-80fc-4e4a-addc-1a491944c07d.jpeg)
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